Home / 8,514.12-11,741.40-5,637.72

Finding the Fourth Proportional to 8,514.12, 11,741.40 and 5,637.72

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Solution

The fourth proportional to 8,514.12, 11,741.40 and 5,637.72 is: 7,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.12 : 11,741.40 = 5,637.72 : x
  2. Step 2: Convert to fraction form
    8,514.12/11,741.40 = 5,637.72/x
  3. Step 3: Cross multiply
    8,514.12x = 11,741.40 × 5,637.72
  4. Step 4: Simplify right side
    8,514.12x = 66,194,725.61
  5. Step 5: Solve for x
    x = 66,194,725.61/8,514.12
  6. Step 6: Final answer
    x = 7,774.70

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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.