Home / 8,632.14-12,948.36-3,089.46

Finding the Fourth Proportional to 8,632.14, 12,948.36 and 3,089.46

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Solution

The fourth proportional to 8,632.14, 12,948.36 and 3,089.46 is: 4,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.14 : 12,948.36 = 3,089.46 : x
  2. Step 2: Convert to fraction form
    8,632.14/12,948.36 = 3,089.46/x
  3. Step 3: Cross multiply
    8,632.14x = 12,948.36 × 3,089.46
  4. Step 4: Simplify right side
    8,632.14x = 40,003,404.42
  5. Step 5: Solve for x
    x = 40,003,404.42/8,632.14
  6. Step 6: Final answer
    x = 4,634.24

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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.