Home / 5,439.58-8,160.57-1,742.11

Finding the Fourth Proportional to 5,439.58, 8,160.57 and 1,742.11

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Solution

The fourth proportional to 5,439.58, 8,160.57 and 1,742.11 is: 2,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.58 : 8,160.57 = 1,742.11 : x
  2. Step 2: Convert to fraction form
    5,439.58/8,160.57 = 1,742.11/x
  3. Step 3: Cross multiply
    5,439.58x = 8,160.57 × 1,742.11
  4. Step 4: Simplify right side
    5,439.58x = 14,216,610.60
  5. Step 5: Solve for x
    x = 14,216,610.60/5,439.58
  6. Step 6: Final answer
    x = 2,613.55

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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.