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Finding the Fourth Proportional to 8,560.66, 12,835.45 and 5,630.08

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Solution

The fourth proportional to 8,560.66, 12,835.45 and 5,630.08 is: 8,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.66 : 12,835.45 = 5,630.08 : x
  2. Step 2: Convert to fraction form
    8,560.66/12,835.45 = 5,630.08/x
  3. Step 3: Cross multiply
    8,560.66x = 12,835.45 × 5,630.08
  4. Step 4: Simplify right side
    8,560.66x = 72,264,610.34
  5. Step 5: Solve for x
    x = 72,264,610.34/8,560.66
  6. Step 6: Final answer
    x = 8,441.48

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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.