Home / 7,152.16-10,721.67-2,471.08

Finding the Fourth Proportional to 7,152.16, 10,721.67 and 2,471.08

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Solution

The fourth proportional to 7,152.16, 10,721.67 and 2,471.08 is: 3,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.16 : 10,721.67 = 2,471.08 : x
  2. Step 2: Convert to fraction form
    7,152.16/10,721.67 = 2,471.08/x
  3. Step 3: Cross multiply
    7,152.16x = 10,721.67 × 2,471.08
  4. Step 4: Simplify right side
    7,152.16x = 26,494,104.30
  5. Step 5: Solve for x
    x = 26,494,104.30/7,152.16
  6. Step 6: Final answer
    x = 3,704.35

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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.