Home / 5,319.46-7,981.20-2,397.07

Finding the Fourth Proportional to 5,319.46, 7,981.20 and 2,397.07

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Solution

The fourth proportional to 5,319.46, 7,981.20 and 2,397.07 is: 3,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.46 : 7,981.20 = 2,397.07 : x
  2. Step 2: Convert to fraction form
    5,319.46/7,981.20 = 2,397.07/x
  3. Step 3: Cross multiply
    5,319.46x = 7,981.20 × 2,397.07
  4. Step 4: Simplify right side
    5,319.46x = 19,131,495.08
  5. Step 5: Solve for x
    x = 19,131,495.08/5,319.46
  6. Step 6: Final answer
    x = 3,596.51

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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.