Home / 7,764.32-10,715.28-4,407.38

Finding the Fourth Proportional to 7,764.32, 10,715.28 and 4,407.38

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Solution

The fourth proportional to 7,764.32, 10,715.28 and 4,407.38 is: 6,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.32 : 10,715.28 = 4,407.38 : x
  2. Step 2: Convert to fraction form
    7,764.32/10,715.28 = 4,407.38/x
  3. Step 3: Cross multiply
    7,764.32x = 10,715.28 × 4,407.38
  4. Step 4: Simplify right side
    7,764.32x = 47,226,310.77
  5. Step 5: Solve for x
    x = 47,226,310.77/7,764.32
  6. Step 6: Final answer
    x = 6,082.48

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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.