Home / 5,610.47-8,415.75-2,679.89

Finding the Fourth Proportional to 5,610.47, 8,415.75 and 2,679.89

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Solution

The fourth proportional to 5,610.47, 8,415.75 and 2,679.89 is: 4,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.47 : 8,415.75 = 2,679.89 : x
  2. Step 2: Convert to fraction form
    5,610.47/8,415.75 = 2,679.89/x
  3. Step 3: Cross multiply
    5,610.47x = 8,415.75 × 2,679.89
  4. Step 4: Simplify right side
    5,610.47x = 22,553,242.19
  5. Step 5: Solve for x
    x = 22,553,242.19/5,610.47
  6. Step 6: Final answer
    x = 4,019.85

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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.