Home / 5,689.32-7,851.30-3,331.50

Finding the Fourth Proportional to 5,689.32, 7,851.30 and 3,331.50

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Solution

The fourth proportional to 5,689.32, 7,851.30 and 3,331.50 is: 4,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.32 : 7,851.30 = 3,331.50 : x
  2. Step 2: Convert to fraction form
    5,689.32/7,851.30 = 3,331.50/x
  3. Step 3: Cross multiply
    5,689.32x = 7,851.30 × 3,331.50
  4. Step 4: Simplify right side
    5,689.32x = 26,156,605.95
  5. Step 5: Solve for x
    x = 26,156,605.95/5,689.32
  6. Step 6: Final answer
    x = 4,597.49

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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.