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Finding the Fourth Proportional to 8,395.58, 12,577.80 and 4,225.55

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Solution

The fourth proportional to 8,395.58, 12,577.80 and 4,225.55 is: 6,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.58 : 12,577.80 = 4,225.55 : x
  2. Step 2: Convert to fraction form
    8,395.58/12,577.80 = 4,225.55/x
  3. Step 3: Cross multiply
    8,395.58x = 12,577.80 × 4,225.55
  4. Step 4: Simplify right side
    8,395.58x = 53,148,059.90
  5. Step 5: Solve for x
    x = 53,148,059.90/8,395.58
  6. Step 6: Final answer
    x = 6,330.48

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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.