Home / 6,148.80-8,476.56-3,789.36

Finding the Fourth Proportional to 6,148.80, 8,476.56 and 3,789.36

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Solution

The fourth proportional to 6,148.80, 8,476.56 and 3,789.36 is: 5,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.80 : 8,476.56 = 3,789.36 : x
  2. Step 2: Convert to fraction form
    6,148.80/8,476.56 = 3,789.36/x
  3. Step 3: Cross multiply
    6,148.80x = 8,476.56 × 3,789.36
  4. Step 4: Simplify right side
    6,148.80x = 32,120,737.40
  5. Step 5: Solve for x
    x = 32,120,737.40/6,148.80
  6. Step 6: Final answer
    x = 5,223.90

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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.