Home / 8,553.80-12,829.60-3,359

Finding the Fourth Proportional to 8,553.80, 12,829.60 and 3,359

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Solution

The fourth proportional to 8,553.80, 12,829.60 and 3,359 is: 5,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.80 : 12,829.60 = 3,359 : x
  2. Step 2: Convert to fraction form
    8,553.80/12,829.60 = 3,359/x
  3. Step 3: Cross multiply
    8,553.80x = 12,829.60 × 3,359
  4. Step 4: Simplify right side
    8,553.80x = 43,094,626.40
  5. Step 5: Solve for x
    x = 43,094,626.40/8,553.80
  6. Step 6: Final answer
    x = 5,038.07

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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.