Home / 4,840.24-7,260.36-3,980.20

Finding the Fourth Proportional to 4,840.24, 7,260.36 and 3,980.20

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Solution

The fourth proportional to 4,840.24, 7,260.36 and 3,980.20 is: 5,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.24 : 7,260.36 = 3,980.20 : x
  2. Step 2: Convert to fraction form
    4,840.24/7,260.36 = 3,980.20/x
  3. Step 3: Cross multiply
    4,840.24x = 7,260.36 × 3,980.20
  4. Step 4: Simplify right side
    4,840.24x = 28,897,684.87
  5. Step 5: Solve for x
    x = 28,897,684.87/4,840.24
  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.