Home / 9,142.85-13,714.28-2,217.35

Finding the Fourth Proportional to 9,142.85, 13,714.28 and 2,217.35

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Solution

The fourth proportional to 9,142.85, 13,714.28 and 2,217.35 is: 3,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.85 : 13,714.28 = 2,217.35 : x
  2. Step 2: Convert to fraction form
    9,142.85/13,714.28 = 2,217.35/x
  3. Step 3: Cross multiply
    9,142.85x = 13,714.28 × 2,217.35
  4. Step 4: Simplify right side
    9,142.85x = 30,409,279.10
  5. Step 5: Solve for x
    x = 30,409,279.10/9,142.85
  6. Step 6: Final answer
    x = 3,326.02

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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.