Home / 8,514.40-11,750.10-4,686.15

Finding the Fourth Proportional to 8,514.40, 11,750.10 and 4,686.15

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Solution

The fourth proportional to 8,514.40, 11,750.10 and 4,686.15 is: 6,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.40 : 11,750.10 = 4,686.15 : x
  2. Step 2: Convert to fraction form
    8,514.40/11,750.10 = 4,686.15/x
  3. Step 3: Cross multiply
    8,514.40x = 11,750.10 × 4,686.15
  4. Step 4: Simplify right side
    8,514.40x = 55,062,660.65
  5. Step 5: Solve for x
    x = 55,062,660.65/8,514.40
  6. Step 6: Final answer
    x = 6,467.00

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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.