Home / 8,862.30-12,230.51-4,883.78

Finding the Fourth Proportional to 8,862.30, 12,230.51 and 4,883.78

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Solution

The fourth proportional to 8,862.30, 12,230.51 and 4,883.78 is: 6,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.30 : 12,230.51 = 4,883.78 : x
  2. Step 2: Convert to fraction form
    8,862.30/12,230.51 = 4,883.78/x
  3. Step 3: Cross multiply
    8,862.30x = 12,230.51 × 4,883.78
  4. Step 4: Simplify right side
    8,862.30x = 59,731,120.13
  5. Step 5: Solve for x
    x = 59,731,120.13/8,862.30
  6. Step 6: Final answer
    x = 6,739.91

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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.