Home / 6,572.20-9,858.30-3,980.20

Finding the Fourth Proportional to 6,572.20, 9,858.30 and 3,980.20

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Solution

The fourth proportional to 6,572.20, 9,858.30 and 3,980.20 is: 5,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.20 : 9,858.30 = 3,980.20 : x
  2. Step 2: Convert to fraction form
    6,572.20/9,858.30 = 3,980.20/x
  3. Step 3: Cross multiply
    6,572.20x = 9,858.30 × 3,980.20
  4. Step 4: Simplify right side
    6,572.20x = 39,238,005.66
  5. Step 5: Solve for x
    x = 39,238,005.66/6,572.20
  6. Step 6: Final answer
    x = 5,970.30

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.