Home / 7,715.52-10,646.85-4,358.08

Finding the Fourth Proportional to 7,715.52, 10,646.85 and 4,358.08

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Solution

The fourth proportional to 7,715.52, 10,646.85 and 4,358.08 is: 6,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.52 : 10,646.85 = 4,358.08 : x
  2. Step 2: Convert to fraction form
    7,715.52/10,646.85 = 4,358.08/x
  3. Step 3: Cross multiply
    7,715.52x = 10,646.85 × 4,358.08
  4. Step 4: Simplify right side
    7,715.52x = 46,399,824.05
  5. Step 5: Solve for x
    x = 46,399,824.05/7,715.52
  6. Step 6: Final answer
    x = 6,013.83

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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.