Home / 8,089.37-12,125.70-5,862.78

Finding the Fourth Proportional to 8,089.37, 12,125.70 and 5,862.78

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Solution

The fourth proportional to 8,089.37, 12,125.70 and 5,862.78 is: 8,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.37 : 12,125.70 = 5,862.78 : x
  2. Step 2: Convert to fraction form
    8,089.37/12,125.70 = 5,862.78/x
  3. Step 3: Cross multiply
    8,089.37x = 12,125.70 × 5,862.78
  4. Step 4: Simplify right side
    8,089.37x = 71,090,311.45
  5. Step 5: Solve for x
    x = 71,090,311.45/8,089.37
  6. Step 6: Final answer
    x = 8,788.12

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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.