Home / 8,818.04-12,167.60-5,280.50

Finding the Fourth Proportional to 8,818.04, 12,167.60 and 5,280.50

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Solution

The fourth proportional to 8,818.04, 12,167.60 and 5,280.50 is: 7,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.04 : 12,167.60 = 5,280.50 : x
  2. Step 2: Convert to fraction form
    8,818.04/12,167.60 = 5,280.50/x
  3. Step 3: Cross multiply
    8,818.04x = 12,167.60 × 5,280.50
  4. Step 4: Simplify right side
    8,818.04x = 64,251,011.80
  5. Step 5: Solve for x
    x = 64,251,011.80/8,818.04
  6. Step 6: Final answer
    x = 7,286.31

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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.