Home / 8,817.50-12,168.24-5,041.20

Finding the Fourth Proportional to 8,817.50, 12,168.24 and 5,041.20

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Solution

The fourth proportional to 8,817.50, 12,168.24 and 5,041.20 is: 6,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.50 : 12,168.24 = 5,041.20 : x
  2. Step 2: Convert to fraction form
    8,817.50/12,168.24 = 5,041.20/x
  3. Step 3: Cross multiply
    8,817.50x = 12,168.24 × 5,041.20
  4. Step 4: Simplify right side
    8,817.50x = 61,342,531.49
  5. Step 5: Solve for x
    x = 61,342,531.49/8,817.50
  6. Step 6: Final answer
    x = 6,956.91

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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.