Home / 7,564.29-10,439.28-5,681.64

Finding the Fourth Proportional to 7,564.29, 10,439.28 and 5,681.64

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Solution

The fourth proportional to 7,564.29, 10,439.28 and 5,681.64 is: 7,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.29 : 10,439.28 = 5,681.64 : x
  2. Step 2: Convert to fraction form
    7,564.29/10,439.28 = 5,681.64/x
  3. Step 3: Cross multiply
    7,564.29x = 10,439.28 × 5,681.64
  4. Step 4: Simplify right side
    7,564.29x = 59,312,269.97
  5. Step 5: Solve for x
    x = 59,312,269.97/7,564.29
  6. Step 6: Final answer
    x = 7,841.09

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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.