Home / 6,875.49-9,488.20-3,731.68

Finding the Fourth Proportional to 6,875.49, 9,488.20 and 3,731.68

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Solution

The fourth proportional to 6,875.49, 9,488.20 and 3,731.68 is: 5,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.49 : 9,488.20 = 3,731.68 : x
  2. Step 2: Convert to fraction form
    6,875.49/9,488.20 = 3,731.68/x
  3. Step 3: Cross multiply
    6,875.49x = 9,488.20 × 3,731.68
  4. Step 4: Simplify right side
    6,875.49x = 35,406,926.18
  5. Step 5: Solve for x
    x = 35,406,926.18/6,875.49
  6. Step 6: Final answer
    x = 5,149.73

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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.