Home / 8,445.06-12,682.20-5,177.34

Finding the Fourth Proportional to 8,445.06, 12,682.20 and 5,177.34

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Solution

The fourth proportional to 8,445.06, 12,682.20 and 5,177.34 is: 7,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.06 : 12,682.20 = 5,177.34 : x
  2. Step 2: Convert to fraction form
    8,445.06/12,682.20 = 5,177.34/x
  3. Step 3: Cross multiply
    8,445.06x = 12,682.20 × 5,177.34
  4. Step 4: Simplify right side
    8,445.06x = 65,660,061.35
  5. Step 5: Solve for x
    x = 65,660,061.35/8,445.06
  6. Step 6: Final answer
    x = 7,774.97

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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.