Home / 8,976.60-12,387.87-4,998.02

Finding the Fourth Proportional to 8,976.60, 12,387.87 and 4,998.02

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Solution

The fourth proportional to 8,976.60, 12,387.87 and 4,998.02 is: 6,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.60 : 12,387.87 = 4,998.02 : x
  2. Step 2: Convert to fraction form
    8,976.60/12,387.87 = 4,998.02/x
  3. Step 3: Cross multiply
    8,976.60x = 12,387.87 × 4,998.02
  4. Step 4: Simplify right side
    8,976.60x = 61,914,760.08
  5. Step 5: Solve for x
    x = 61,914,760.08/8,976.60
  6. Step 6: Final answer
    x = 6,897.35

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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.