Home / 7,437.40-10,243.90-5,542.92

Finding the Fourth Proportional to 7,437.40, 10,243.90 and 5,542.92

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Solution

The fourth proportional to 7,437.40, 10,243.90 and 5,542.92 is: 7,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.40 : 10,243.90 = 5,542.92 : x
  2. Step 2: Convert to fraction form
    7,437.40/10,243.90 = 5,542.92/x
  3. Step 3: Cross multiply
    7,437.40x = 10,243.90 × 5,542.92
  4. Step 4: Simplify right side
    7,437.40x = 56,781,118.19
  5. Step 5: Solve for x
    x = 56,781,118.19/7,437.40
  6. Step 6: Final answer
    x = 7,634.54

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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.