Home / 6,600.14-9,108.15-3,948.20

Finding the Fourth Proportional to 6,600.14, 9,108.15 and 3,948.20

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Solution

The fourth proportional to 6,600.14, 9,108.15 and 3,948.20 is: 5,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.14 : 9,108.15 = 3,948.20 : x
  2. Step 2: Convert to fraction form
    6,600.14/9,108.15 = 3,948.20/x
  3. Step 3: Cross multiply
    6,600.14x = 9,108.15 × 3,948.20
  4. Step 4: Simplify right side
    6,600.14x = 35,960,797.83
  5. Step 5: Solve for x
    x = 35,960,797.83/6,600.14
  6. Step 6: Final answer
    x = 5,448.49

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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.