Home / 5,040-7,555.68-4,113.12

Finding the Fourth Proportional to 5,040, 7,555.68 and 4,113.12

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Solution

The fourth proportional to 5,040, 7,555.68 and 4,113.12 is: 6,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040 : 7,555.68 = 4,113.12 : x
  2. Step 2: Convert to fraction form
    5,040/7,555.68 = 4,113.12/x
  3. Step 3: Cross multiply
    5,040x = 7,555.68 × 4,113.12
  4. Step 4: Simplify right side
    5,040x = 31,077,418.52
  5. Step 5: Solve for x
    x = 31,077,418.52/5,040
  6. Step 6: Final answer
    x = 6,166.15

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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.