Home / 9,074.90-12,520.76-6,089.78

Finding the Fourth Proportional to 9,074.90, 12,520.76 and 6,089.78

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Solution

The fourth proportional to 9,074.90, 12,520.76 and 6,089.78 is: 8,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.90 : 12,520.76 = 6,089.78 : x
  2. Step 2: Convert to fraction form
    9,074.90/12,520.76 = 6,089.78/x
  3. Step 3: Cross multiply
    9,074.90x = 12,520.76 × 6,089.78
  4. Step 4: Simplify right side
    9,074.90x = 76,248,673.83
  5. Step 5: Solve for x
    x = 76,248,673.83/9,074.90
  6. Step 6: Final answer
    x = 8,402.15

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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.