Home / 8,084.57-12,122.53-4,753.98

Finding the Fourth Proportional to 8,084.57, 12,122.53 and 4,753.98

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Solution

The fourth proportional to 8,084.57, 12,122.53 and 4,753.98 is: 7,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.57 : 12,122.53 = 4,753.98 : x
  2. Step 2: Convert to fraction form
    8,084.57/12,122.53 = 4,753.98/x
  3. Step 3: Cross multiply
    8,084.57x = 12,122.53 × 4,753.98
  4. Step 4: Simplify right side
    8,084.57x = 57,630,253.28
  5. Step 5: Solve for x
    x = 57,630,253.28/8,084.57
  6. Step 6: Final answer
    x = 7,128.43

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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.