Home / 8,868.43-12,239-5,092.80

Finding the Fourth Proportional to 8,868.43, 12,239 and 5,092.80

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Solution

The fourth proportional to 8,868.43, 12,239 and 5,092.80 is: 7,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.43 : 12,239 = 5,092.80 : x
  2. Step 2: Convert to fraction form
    8,868.43/12,239 = 5,092.80/x
  3. Step 3: Cross multiply
    8,868.43x = 12,239 × 5,092.80
  4. Step 4: Simplify right side
    8,868.43x = 62,330,779.20
  5. Step 5: Solve for x
    x = 62,330,779.20/8,868.43
  6. Step 6: Final answer
    x = 7,028.39

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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.