Home / 5,916.76-8,165.40-3,923.88

Finding the Fourth Proportional to 5,916.76, 8,165.40 and 3,923.88

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Solution

The fourth proportional to 5,916.76, 8,165.40 and 3,923.88 is: 5,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.76 : 8,165.40 = 3,923.88 : x
  2. Step 2: Convert to fraction form
    5,916.76/8,165.40 = 3,923.88/x
  3. Step 3: Cross multiply
    5,916.76x = 8,165.40 × 3,923.88
  4. Step 4: Simplify right side
    5,916.76x = 32,040,049.75
  5. Step 5: Solve for x
    x = 32,040,049.75/5,916.76
  6. Step 6: Final answer
    x = 5,415.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.