Home / 8,922.87-12,313.15-4,889.68

Finding the Fourth Proportional to 8,922.87, 12,313.15 and 4,889.68

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Solution

The fourth proportional to 8,922.87, 12,313.15 and 4,889.68 is: 6,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.87 : 12,313.15 = 4,889.68 : x
  2. Step 2: Convert to fraction form
    8,922.87/12,313.15 = 4,889.68/x
  3. Step 3: Cross multiply
    8,922.87x = 12,313.15 × 4,889.68
  4. Step 4: Simplify right side
    8,922.87x = 60,207,363.29
  5. Step 5: Solve for x
    x = 60,207,363.29/8,922.87
  6. Step 6: Final answer
    x = 6,747.53

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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.