Home / 7,764.72-10,715.22-4,577.28

Finding the Fourth Proportional to 7,764.72, 10,715.22 and 4,577.28

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Solution

The fourth proportional to 7,764.72, 10,715.22 and 4,577.28 is: 6,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.72 : 10,715.22 = 4,577.28 : x
  2. Step 2: Convert to fraction form
    7,764.72/10,715.22 = 4,577.28/x
  3. Step 3: Cross multiply
    7,764.72x = 10,715.22 × 4,577.28
  4. Step 4: Simplify right side
    7,764.72x = 49,046,562.20
  5. Step 5: Solve for x
    x = 49,046,562.20/7,764.72
  6. Step 6: Final answer
    x = 6,316.59

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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.