Home / 6,531.20-9,013.61-3,699.07

Finding the Fourth Proportional to 6,531.20, 9,013.61 and 3,699.07

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Solution

The fourth proportional to 6,531.20, 9,013.61 and 3,699.07 is: 5,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.20 : 9,013.61 = 3,699.07 : x
  2. Step 2: Convert to fraction form
    6,531.20/9,013.61 = 3,699.07/x
  3. Step 3: Cross multiply
    6,531.20x = 9,013.61 × 3,699.07
  4. Step 4: Simplify right side
    6,531.20x = 33,341,974.34
  5. Step 5: Solve for x
    x = 33,341,974.34/6,531.20
  6. Step 6: Final answer
    x = 5,105.03

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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.