Home / 8,631.20-11,913.26-5,095.55

Finding the Fourth Proportional to 8,631.20, 11,913.26 and 5,095.55

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Solution

The fourth proportional to 8,631.20, 11,913.26 and 5,095.55 is: 7,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.20 : 11,913.26 = 5,095.55 : x
  2. Step 2: Convert to fraction form
    8,631.20/11,913.26 = 5,095.55/x
  3. Step 3: Cross multiply
    8,631.20x = 11,913.26 × 5,095.55
  4. Step 4: Simplify right side
    8,631.20x = 60,704,526.95
  5. Step 5: Solve for x
    x = 60,704,526.95/8,631.20
  6. Step 6: Final answer
    x = 7,033.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.