Home / 4,722.19-6,521.34-3,891.13

Finding the Fourth Proportional to 4,722.19, 6,521.34 and 3,891.13

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Solution

The fourth proportional to 4,722.19, 6,521.34 and 3,891.13 is: 5,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.19 : 6,521.34 = 3,891.13 : x
  2. Step 2: Convert to fraction form
    4,722.19/6,521.34 = 3,891.13/x
  3. Step 3: Cross multiply
    4,722.19x = 6,521.34 × 3,891.13
  4. Step 4: Simplify right side
    4,722.19x = 25,375,381.71
  5. Step 5: Solve for x
    x = 25,375,381.71/4,722.19
  6. Step 6: Final answer
    x = 5,373.65

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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.