Home / 5,677.32-7,834.60-3,159.36

Finding the Fourth Proportional to 5,677.32, 7,834.60 and 3,159.36

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Solution

The fourth proportional to 5,677.32, 7,834.60 and 3,159.36 is: 4,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.32 : 7,834.60 = 3,159.36 : x
  2. Step 2: Convert to fraction form
    5,677.32/7,834.60 = 3,159.36/x
  3. Step 3: Cross multiply
    5,677.32x = 7,834.60 × 3,159.36
  4. Step 4: Simplify right side
    5,677.32x = 24,752,266.89
  5. Step 5: Solve for x
    x = 24,752,266.89/5,677.32
  6. Step 6: Final answer
    x = 4,359.85

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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.