Home / 7,152.13-10,728.67-2,472.59

Finding the Fourth Proportional to 7,152.13, 10,728.67 and 2,472.59

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Solution

The fourth proportional to 7,152.13, 10,728.67 and 2,472.59 is: 3,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.13 : 10,728.67 = 2,472.59 : x
  2. Step 2: Convert to fraction form
    7,152.13/10,728.67 = 2,472.59/x
  3. Step 3: Cross multiply
    7,152.13x = 10,728.67 × 2,472.59
  4. Step 4: Simplify right side
    7,152.13x = 26,527,602.16
  5. Step 5: Solve for x
    x = 26,527,602.16/7,152.13
  6. Step 6: Final answer
    x = 3,709.05

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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.