Home / 8,853.20-12,216.98-4,874.21

Finding the Fourth Proportional to 8,853.20, 12,216.98 and 4,874.21

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Solution

The fourth proportional to 8,853.20, 12,216.98 and 4,874.21 is: 6,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.20 : 12,216.98 = 4,874.21 : x
  2. Step 2: Convert to fraction form
    8,853.20/12,216.98 = 4,874.21/x
  3. Step 3: Cross multiply
    8,853.20x = 12,216.98 × 4,874.21
  4. Step 4: Simplify right side
    8,853.20x = 59,548,101.71
  5. Step 5: Solve for x
    x = 59,548,101.71/8,853.20
  6. Step 6: Final answer
    x = 6,726.17

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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.