Home / 7,657.28-10,571.06-5,152.56

Finding the Fourth Proportional to 7,657.28, 10,571.06 and 5,152.56

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Solution

The fourth proportional to 7,657.28, 10,571.06 and 5,152.56 is: 7,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.28 : 10,571.06 = 5,152.56 : x
  2. Step 2: Convert to fraction form
    7,657.28/10,571.06 = 5,152.56/x
  3. Step 3: Cross multiply
    7,657.28x = 10,571.06 × 5,152.56
  4. Step 4: Simplify right side
    7,657.28x = 54,468,020.91
  5. Step 5: Solve for x
    x = 54,468,020.91/7,657.28
  6. Step 6: Final answer
    x = 7,113.23

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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.