Home / 4,874.29-6,726.30-3,106.46

Finding the Fourth Proportional to 4,874.29, 6,726.30 and 3,106.46

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Solution

The fourth proportional to 4,874.29, 6,726.30 and 3,106.46 is: 4,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.29 : 6,726.30 = 3,106.46 : x
  2. Step 2: Convert to fraction form
    4,874.29/6,726.30 = 3,106.46/x
  3. Step 3: Cross multiply
    4,874.29x = 6,726.30 × 3,106.46
  4. Step 4: Simplify right side
    4,874.29x = 20,894,981.90
  5. Step 5: Solve for x
    x = 20,894,981.90/4,874.29
  6. Step 6: Final answer
    x = 4,286.77

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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.