Home / 8,476.12-12,714.19-3,543.06

Finding the Fourth Proportional to 8,476.12, 12,714.19 and 3,543.06

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Solution

The fourth proportional to 8,476.12, 12,714.19 and 3,543.06 is: 5,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.12 : 12,714.19 = 3,543.06 : x
  2. Step 2: Convert to fraction form
    8,476.12/12,714.19 = 3,543.06/x
  3. Step 3: Cross multiply
    8,476.12x = 12,714.19 × 3,543.06
  4. Step 4: Simplify right side
    8,476.12x = 45,047,138.02
  5. Step 5: Solve for x
    x = 45,047,138.02/8,476.12
  6. Step 6: Final answer
    x = 5,314.59

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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.