Home / 7,764.54-10,715.88-4,407.90

Finding the Fourth Proportional to 7,764.54, 10,715.88 and 4,407.90

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Solution

The fourth proportional to 7,764.54, 10,715.88 and 4,407.90 is: 6,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.54 : 10,715.88 = 4,407.90 : x
  2. Step 2: Convert to fraction form
    7,764.54/10,715.88 = 4,407.90/x
  3. Step 3: Cross multiply
    7,764.54x = 10,715.88 × 4,407.90
  4. Step 4: Simplify right side
    7,764.54x = 47,234,527.45
  5. Step 5: Solve for x
    x = 47,234,527.45/7,764.54
  6. Step 6: Final answer
    x = 6,083.36

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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.