Home / 6,531.36-9,013.68-3,737.28

Finding the Fourth Proportional to 6,531.36, 9,013.68 and 3,737.28

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Solution

The fourth proportional to 6,531.36, 9,013.68 and 3,737.28 is: 5,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.36 : 9,013.68 = 3,737.28 : x
  2. Step 2: Convert to fraction form
    6,531.36/9,013.68 = 3,737.28/x
  3. Step 3: Cross multiply
    6,531.36x = 9,013.68 × 3,737.28
  4. Step 4: Simplify right side
    6,531.36x = 33,686,645.99
  5. Step 5: Solve for x
    x = 33,686,645.99/6,531.36
  6. Step 6: Final answer
    x = 5,157.68

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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.