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Finding the Fourth Proportional to 8,483.42, 12,726.48 and 4,101.20

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Solution

The fourth proportional to 8,483.42, 12,726.48 and 4,101.20 is: 6,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.42 : 12,726.48 = 4,101.20 : x
  2. Step 2: Convert to fraction form
    8,483.42/12,726.48 = 4,101.20/x
  3. Step 3: Cross multiply
    8,483.42x = 12,726.48 × 4,101.20
  4. Step 4: Simplify right side
    8,483.42x = 52,193,839.78
  5. Step 5: Solve for x
    x = 52,193,839.78/8,483.42
  6. Step 6: Final answer
    x = 6,152.45

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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.