Home / 6,189.20-9,283.80-1,572.20

Finding the Fourth Proportional to 6,189.20, 9,283.80 and 1,572.20

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Solution

The fourth proportional to 6,189.20, 9,283.80 and 1,572.20 is: 2,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.20 : 9,283.80 = 1,572.20 : x
  2. Step 2: Convert to fraction form
    6,189.20/9,283.80 = 1,572.20/x
  3. Step 3: Cross multiply
    6,189.20x = 9,283.80 × 1,572.20
  4. Step 4: Simplify right side
    6,189.20x = 14,595,943.94
  5. Step 5: Solve for x
    x = 14,595,943.94/6,189.20
  6. Step 6: Final answer
    x = 2,358.29

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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.