Home / 8,743.80-13,108.80-4,359

Finding the Fourth Proportional to 8,743.80, 13,108.80 and 4,359

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Solution

The fourth proportional to 8,743.80, 13,108.80 and 4,359 is: 6,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.80 : 13,108.80 = 4,359 : x
  2. Step 2: Convert to fraction form
    8,743.80/13,108.80 = 4,359/x
  3. Step 3: Cross multiply
    8,743.80x = 13,108.80 × 4,359
  4. Step 4: Simplify right side
    8,743.80x = 57,141,259.20
  5. Step 5: Solve for x
    x = 57,141,259.20/8,743.80
  6. Step 6: Final answer
    x = 6,535.06

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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.