Home / 8,488.31-11,713.85-4,711.52

Finding the Fourth Proportional to 8,488.31, 11,713.85 and 4,711.52

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Solution

The fourth proportional to 8,488.31, 11,713.85 and 4,711.52 is: 6,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.31 : 11,713.85 = 4,711.52 : x
  2. Step 2: Convert to fraction form
    8,488.31/11,713.85 = 4,711.52/x
  3. Step 3: Cross multiply
    8,488.31x = 11,713.85 × 4,711.52
  4. Step 4: Simplify right side
    8,488.31x = 55,190,038.55
  5. Step 5: Solve for x
    x = 55,190,038.55/8,488.31
  6. Step 6: Final answer
    x = 6,501.89

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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.