Home / 5,853.46-8,779.24-2,154.78

Finding the Fourth Proportional to 5,853.46, 8,779.24 and 2,154.78

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Solution

The fourth proportional to 5,853.46, 8,779.24 and 2,154.78 is: 3,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.46 : 8,779.24 = 2,154.78 : x
  2. Step 2: Convert to fraction form
    5,853.46/8,779.24 = 2,154.78/x
  3. Step 3: Cross multiply
    5,853.46x = 8,779.24 × 2,154.78
  4. Step 4: Simplify right side
    5,853.46x = 18,917,330.77
  5. Step 5: Solve for x
    x = 18,917,330.77/5,853.46
  6. Step 6: Final answer
    x = 3,231.82

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1.5x scale

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.