Home / 5,440.77-8,159.40-1,742.85

Finding the Fourth Proportional to 5,440.77, 8,159.40 and 1,742.85

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Solution

The fourth proportional to 5,440.77, 8,159.40 and 1,742.85 is: 2,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.77 : 8,159.40 = 1,742.85 : x
  2. Step 2: Convert to fraction form
    5,440.77/8,159.40 = 1,742.85/x
  3. Step 3: Cross multiply
    5,440.77x = 8,159.40 × 1,742.85
  4. Step 4: Simplify right side
    5,440.77x = 14,220,610.29
  5. Step 5: Solve for x
    x = 14,220,610.29/5,440.77
  6. Step 6: Final answer
    x = 2,613.71

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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.