Home / 6,479.13-8,902.45-5,150.53

Finding the Fourth Proportional to 6,479.13, 8,902.45 and 5,150.53

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Solution

The fourth proportional to 6,479.13, 8,902.45 and 5,150.53 is: 7,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.13 : 8,902.45 = 5,150.53 : x
  2. Step 2: Convert to fraction form
    6,479.13/8,902.45 = 5,150.53/x
  3. Step 3: Cross multiply
    6,479.13x = 8,902.45 × 5,150.53
  4. Step 4: Simplify right side
    6,479.13x = 45,852,335.80
  5. Step 5: Solve for x
    x = 45,852,335.80/6,479.13
  6. Step 6: Final answer
    x = 7,076.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.