Home / 7,387.60-10,195.49-4,201.89

Finding the Fourth Proportional to 7,387.60, 10,195.49 and 4,201.89

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Solution

The fourth proportional to 7,387.60, 10,195.49 and 4,201.89 is: 5,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.60 : 10,195.49 = 4,201.89 : x
  2. Step 2: Convert to fraction form
    7,387.60/10,195.49 = 4,201.89/x
  3. Step 3: Cross multiply
    7,387.60x = 10,195.49 × 4,201.89
  4. Step 4: Simplify right side
    7,387.60x = 42,840,337.98
  5. Step 5: Solve for x
    x = 42,840,337.98/7,387.60
  6. Step 6: Final answer
    x = 5,798.95

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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.