Home / 8,124.59-12,187.31-2,281.65

Finding the Fourth Proportional to 8,124.59, 12,187.31 and 2,281.65

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Solution

The fourth proportional to 8,124.59, 12,187.31 and 2,281.65 is: 3,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.59 : 12,187.31 = 2,281.65 : x
  2. Step 2: Convert to fraction form
    8,124.59/12,187.31 = 2,281.65/x
  3. Step 3: Cross multiply
    8,124.59x = 12,187.31 × 2,281.65
  4. Step 4: Simplify right side
    8,124.59x = 27,807,200.14
  5. Step 5: Solve for x
    x = 27,807,200.14/8,124.59
  6. Step 6: Final answer
    x = 3,422.60

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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.