Home / 8,855.38-13,283.02-3,590.31

Finding the Fourth Proportional to 8,855.38, 13,283.02 and 3,590.31

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Solution

The fourth proportional to 8,855.38, 13,283.02 and 3,590.31 is: 5,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.38 : 13,283.02 = 3,590.31 : x
  2. Step 2: Convert to fraction form
    8,855.38/13,283.02 = 3,590.31/x
  3. Step 3: Cross multiply
    8,855.38x = 13,283.02 × 3,590.31
  4. Step 4: Simplify right side
    8,855.38x = 47,690,159.54
  5. Step 5: Solve for x
    x = 47,690,159.54/8,855.38
  6. Step 6: Final answer
    x = 5,385.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.