Home / 4,117.20-6,175.80-2,707.80

Finding the Fourth Proportional to 4,117.20, 6,175.80 and 2,707.80

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Solution

The fourth proportional to 4,117.20, 6,175.80 and 2,707.80 is: 4,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.20 : 6,175.80 = 2,707.80 : x
  2. Step 2: Convert to fraction form
    4,117.20/6,175.80 = 2,707.80/x
  3. Step 3: Cross multiply
    4,117.20x = 6,175.80 × 2,707.80
  4. Step 4: Simplify right side
    4,117.20x = 16,722,831.24
  5. Step 5: Solve for x
    x = 16,722,831.24/4,117.20
  6. Step 6: Final answer
    x = 4,061.70

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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.