Home / 6,677.02-9,215.40-3,882.52

Finding the Fourth Proportional to 6,677.02, 9,215.40 and 3,882.52

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Solution

The fourth proportional to 6,677.02, 9,215.40 and 3,882.52 is: 5,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.02 : 9,215.40 = 3,882.52 : x
  2. Step 2: Convert to fraction form
    6,677.02/9,215.40 = 3,882.52/x
  3. Step 3: Cross multiply
    6,677.02x = 9,215.40 × 3,882.52
  4. Step 4: Simplify right side
    6,677.02x = 35,778,974.81
  5. Step 5: Solve for x
    x = 35,778,974.81/6,677.02
  6. Step 6: Final answer
    x = 5,358.52

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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.