Home / 5,441.40-8,160.37-1,742.74

Finding the Fourth Proportional to 5,441.40, 8,160.37 and 1,742.74

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Solution

The fourth proportional to 5,441.40, 8,160.37 and 1,742.74 is: 2,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.40 : 8,160.37 = 1,742.74 : x
  2. Step 2: Convert to fraction form
    5,441.40/8,160.37 = 1,742.74/x
  3. Step 3: Cross multiply
    5,441.40x = 8,160.37 × 1,742.74
  4. Step 4: Simplify right side
    5,441.40x = 14,221,378.46
  5. Step 5: Solve for x
    x = 14,221,378.46/5,441.40
  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.