Home / 6,981.89-10,472.85-6,631.52

Finding the Fourth Proportional to 6,981.89, 10,472.85 and 6,631.52

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Solution

The fourth proportional to 6,981.89, 10,472.85 and 6,631.52 is: 9,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.89 : 10,472.85 = 6,631.52 : x
  2. Step 2: Convert to fraction form
    6,981.89/10,472.85 = 6,631.52/x
  3. Step 3: Cross multiply
    6,981.89x = 10,472.85 × 6,631.52
  4. Step 4: Simplify right side
    6,981.89x = 69,450,861.87
  5. Step 5: Solve for x
    x = 69,450,861.87/6,981.89
  6. Step 6: Final answer
    x = 9,947.29

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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.