Home / 8,377.14-12,568.55-5,259.45

Finding the Fourth Proportional to 8,377.14, 12,568.55 and 5,259.45

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Solution

The fourth proportional to 8,377.14, 12,568.55 and 5,259.45 is: 7,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.14 : 12,568.55 = 5,259.45 : x
  2. Step 2: Convert to fraction form
    8,377.14/12,568.55 = 5,259.45/x
  3. Step 3: Cross multiply
    8,377.14x = 12,568.55 × 5,259.45
  4. Step 4: Simplify right side
    8,377.14x = 66,103,634.00
  5. Step 5: Solve for x
    x = 66,103,634.00/8,377.14
  6. Step 6: Final answer
    x = 7,890.95

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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.