Home / 7,715.52-10,648.26-4,358.88

Finding the Fourth Proportional to 7,715.52, 10,648.26 and 4,358.88

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Solution

The fourth proportional to 7,715.52, 10,648.26 and 4,358.88 is: 6,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.52 : 10,648.26 = 4,358.88 : x
  2. Step 2: Convert to fraction form
    7,715.52/10,648.26 = 4,358.88/x
  3. Step 3: Cross multiply
    7,715.52x = 10,648.26 × 4,358.88
  4. Step 4: Simplify right side
    7,715.52x = 46,414,487.55
  5. Step 5: Solve for x
    x = 46,414,487.55/7,715.52
  6. Step 6: Final answer
    x = 6,015.73

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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.