Home / 4,238.80-6,358.20-4,117.30

Finding the Fourth Proportional to 4,238.80, 6,358.20 and 4,117.30

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Solution

The fourth proportional to 4,238.80, 6,358.20 and 4,117.30 is: 6,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.80 : 6,358.20 = 4,117.30 : x
  2. Step 2: Convert to fraction form
    4,238.80/6,358.20 = 4,117.30/x
  3. Step 3: Cross multiply
    4,238.80x = 6,358.20 × 4,117.30
  4. Step 4: Simplify right side
    4,238.80x = 26,178,616.86
  5. Step 5: Solve for x
    x = 26,178,616.86/4,238.80
  6. Step 6: Final answer
    x = 6,175.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.