Home / 6,501.29-8,972.46-3,985.08

Finding the Fourth Proportional to 6,501.29, 8,972.46 and 3,985.08

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Solution

The fourth proportional to 6,501.29, 8,972.46 and 3,985.08 is: 5,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.29 : 8,972.46 = 3,985.08 : x
  2. Step 2: Convert to fraction form
    6,501.29/8,972.46 = 3,985.08/x
  3. Step 3: Cross multiply
    6,501.29x = 8,972.46 × 3,985.08
  4. Step 4: Simplify right side
    6,501.29x = 35,755,970.90
  5. Step 5: Solve for x
    x = 35,755,970.90/6,501.29
  6. Step 6: Final answer
    x = 5,499.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.