Home / 6,437.28-9,658.62-2,740.31

Finding the Fourth Proportional to 6,437.28, 9,658.62 and 2,740.31

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Solution

The fourth proportional to 6,437.28, 9,658.62 and 2,740.31 is: 4,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.28 : 9,658.62 = 2,740.31 : x
  2. Step 2: Convert to fraction form
    6,437.28/9,658.62 = 2,740.31/x
  3. Step 3: Cross multiply
    6,437.28x = 9,658.62 × 2,740.31
  4. Step 4: Simplify right side
    6,437.28x = 26,467,564.68
  5. Step 5: Solve for x
    x = 26,467,564.68/6,437.28
  6. Step 6: Final answer
    x = 4,111.61

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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.