Home / 5,400.16-7,441.20-3,722.08

Finding the Fourth Proportional to 5,400.16, 7,441.20 and 3,722.08

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Solution

The fourth proportional to 5,400.16, 7,441.20 and 3,722.08 is: 5,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.16 : 7,441.20 = 3,722.08 : x
  2. Step 2: Convert to fraction form
    5,400.16/7,441.20 = 3,722.08/x
  3. Step 3: Cross multiply
    5,400.16x = 7,441.20 × 3,722.08
  4. Step 4: Simplify right side
    5,400.16x = 27,696,741.70
  5. Step 5: Solve for x
    x = 27,696,741.70/5,400.16
  6. Step 6: Final answer
    x = 5,128.87

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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.