Home / 8,342.32-11,514.46-4,987.12

Finding the Fourth Proportional to 8,342.32, 11,514.46 and 4,987.12

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Solution

The fourth proportional to 8,342.32, 11,514.46 and 4,987.12 is: 6,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.32 : 11,514.46 = 4,987.12 : x
  2. Step 2: Convert to fraction form
    8,342.32/11,514.46 = 4,987.12/x
  3. Step 3: Cross multiply
    8,342.32x = 11,514.46 × 4,987.12
  4. Step 4: Simplify right side
    8,342.32x = 57,423,993.76
  5. Step 5: Solve for x
    x = 57,423,993.76/8,342.32
  6. Step 6: Final answer
    x = 6,883.46

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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.