Home / 7,960.56-10,981.04-4,972.74

Finding the Fourth Proportional to 7,960.56, 10,981.04 and 4,972.74

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Solution

The fourth proportional to 7,960.56, 10,981.04 and 4,972.74 is: 6,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.56 : 10,981.04 = 4,972.74 : x
  2. Step 2: Convert to fraction form
    7,960.56/10,981.04 = 4,972.74/x
  3. Step 3: Cross multiply
    7,960.56x = 10,981.04 × 4,972.74
  4. Step 4: Simplify right side
    7,960.56x = 54,605,856.85
  5. Step 5: Solve for x
    x = 54,605,856.85/7,960.56
  6. Step 6: Final answer
    x = 6,859.55

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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.