Home / 6,378.62-8,802.50-3,726.18

Finding the Fourth Proportional to 6,378.62, 8,802.50 and 3,726.18

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Solution

The fourth proportional to 6,378.62, 8,802.50 and 3,726.18 is: 5,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.62 : 8,802.50 = 3,726.18 : x
  2. Step 2: Convert to fraction form
    6,378.62/8,802.50 = 3,726.18/x
  3. Step 3: Cross multiply
    6,378.62x = 8,802.50 × 3,726.18
  4. Step 4: Simplify right side
    6,378.62x = 32,799,680.82
  5. Step 5: Solve for x
    x = 32,799,680.82/6,378.62
  6. Step 6: Final answer
    x = 5,142.13

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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.