Home / 6,071.20-8,378.29-3,418.66

Finding the Fourth Proportional to 6,071.20, 8,378.29 and 3,418.66

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Solution

The fourth proportional to 6,071.20, 8,378.29 and 3,418.66 is: 4,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.20 : 8,378.29 = 3,418.66 : x
  2. Step 2: Convert to fraction form
    6,071.20/8,378.29 = 3,418.66/x
  3. Step 3: Cross multiply
    6,071.20x = 8,378.29 × 3,418.66
  4. Step 4: Simplify right side
    6,071.20x = 28,642,473.28
  5. Step 5: Solve for x
    x = 28,642,473.28/6,071.20
  6. Step 6: Final answer
    x = 4,717.76

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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.