Home / 4,747.61-7,122.33-1,826.15

Finding the Fourth Proportional to 4,747.61, 7,122.33 and 1,826.15

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Solution

The fourth proportional to 4,747.61, 7,122.33 and 1,826.15 is: 2,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.61 : 7,122.33 = 1,826.15 : x
  2. Step 2: Convert to fraction form
    4,747.61/7,122.33 = 1,826.15/x
  3. Step 3: Cross multiply
    4,747.61x = 7,122.33 × 1,826.15
  4. Step 4: Simplify right side
    4,747.61x = 13,006,407.32
  5. Step 5: Solve for x
    x = 13,006,407.32/4,747.61
  6. Step 6: Final answer
    x = 2,739.57

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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.