Home / 7,387.20-10,198.10-5,704.83

Finding the Fourth Proportional to 7,387.20, 10,198.10 and 5,704.83

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Solution

The fourth proportional to 7,387.20, 10,198.10 and 5,704.83 is: 7,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.20 : 10,198.10 = 5,704.83 : x
  2. Step 2: Convert to fraction form
    7,387.20/10,198.10 = 5,704.83/x
  3. Step 3: Cross multiply
    7,387.20x = 10,198.10 × 5,704.83
  4. Step 4: Simplify right side
    7,387.20x = 58,178,426.82
  5. Step 5: Solve for x
    x = 58,178,426.82/7,387.20
  6. Step 6: Final answer
    x = 7,875.57

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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.