Home / 8,251.70-11,387.21-4,666.59

Finding the Fourth Proportional to 8,251.70, 11,387.21 and 4,666.59

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Solution

The fourth proportional to 8,251.70, 11,387.21 and 4,666.59 is: 6,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.70 : 11,387.21 = 4,666.59 : x
  2. Step 2: Convert to fraction form
    8,251.70/11,387.21 = 4,666.59/x
  3. Step 3: Cross multiply
    8,251.70x = 11,387.21 × 4,666.59
  4. Step 4: Simplify right side
    8,251.70x = 53,139,416.98
  5. Step 5: Solve for x
    x = 53,139,416.98/8,251.70
  6. Step 6: Final answer
    x = 6,439.82

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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.