Home / 7,153.91-10,728.81-2,472.70

Finding the Fourth Proportional to 7,153.91, 10,728.81 and 2,472.70

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Solution

The fourth proportional to 7,153.91, 10,728.81 and 2,472.70 is: 3,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.91 : 10,728.81 = 2,472.70 : x
  2. Step 2: Convert to fraction form
    7,153.91/10,728.81 = 2,472.70/x
  3. Step 3: Cross multiply
    7,153.91x = 10,728.81 × 2,472.70
  4. Step 4: Simplify right side
    7,153.91x = 26,529,074.84
  5. Step 5: Solve for x
    x = 26,529,074.84/7,153.91
  6. Step 6: Final answer
    x = 3,708.33

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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.