Home / 5,318.64-7,981.26-2,397

Finding the Fourth Proportional to 5,318.64, 7,981.26 and 2,397

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Solution

The fourth proportional to 5,318.64, 7,981.26 and 2,397 is: 3,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.64 : 7,981.26 = 2,397 : x
  2. Step 2: Convert to fraction form
    5,318.64/7,981.26 = 2,397/x
  3. Step 3: Cross multiply
    5,318.64x = 7,981.26 × 2,397
  4. Step 4: Simplify right side
    5,318.64x = 19,131,080.22
  5. Step 5: Solve for x
    x = 19,131,080.22/5,318.64
  6. Step 6: Final answer
    x = 3,596.99

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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.