Home / 5,680.31-8,514.14-4,289.13

Finding the Fourth Proportional to 5,680.31, 8,514.14 and 4,289.13

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Solution

The fourth proportional to 5,680.31, 8,514.14 and 4,289.13 is: 6,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.31 : 8,514.14 = 4,289.13 : x
  2. Step 2: Convert to fraction form
    5,680.31/8,514.14 = 4,289.13/x
  3. Step 3: Cross multiply
    5,680.31x = 8,514.14 × 4,289.13
  4. Step 4: Simplify right side
    5,680.31x = 36,518,231.85
  5. Step 5: Solve for x
    x = 36,518,231.85/5,680.31
  6. Step 6: Final answer
    x = 6,428.92

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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.