Home / 6,726.20-10,079.40-4,881.20

Finding the Fourth Proportional to 6,726.20, 10,079.40 and 4,881.20

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Solution

The fourth proportional to 6,726.20, 10,079.40 and 4,881.20 is: 7,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.20 : 10,079.40 = 4,881.20 : x
  2. Step 2: Convert to fraction form
    6,726.20/10,079.40 = 4,881.20/x
  3. Step 3: Cross multiply
    6,726.20x = 10,079.40 × 4,881.20
  4. Step 4: Simplify right side
    6,726.20x = 49,199,567.28
  5. Step 5: Solve for x
    x = 49,199,567.28/6,726.20
  6. Step 6: Final answer
    x = 7,314.62

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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.