Home / 5,538.72-8,307.36-2,460

Finding the Fourth Proportional to 5,538.72, 8,307.36 and 2,460

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Solution

The fourth proportional to 5,538.72, 8,307.36 and 2,460 is: 3,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.72 : 8,307.36 = 2,460 : x
  2. Step 2: Convert to fraction form
    5,538.72/8,307.36 = 2,460/x
  3. Step 3: Cross multiply
    5,538.72x = 8,307.36 × 2,460
  4. Step 4: Simplify right side
    5,538.72x = 20,436,105.60
  5. Step 5: Solve for x
    x = 20,436,105.60/5,538.72
  6. Step 6: Final answer
    x = 3,689.68

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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.