Home / 5,430.46-7,494.83-3,441.20

Finding the Fourth Proportional to 5,430.46, 7,494.83 and 3,441.20

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Solution

The fourth proportional to 5,430.46, 7,494.83 and 3,441.20 is: 4,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.46 : 7,494.83 = 3,441.20 : x
  2. Step 2: Convert to fraction form
    5,430.46/7,494.83 = 3,441.20/x
  3. Step 3: Cross multiply
    5,430.46x = 7,494.83 × 3,441.20
  4. Step 4: Simplify right side
    5,430.46x = 25,791,180.12
  5. Step 5: Solve for x
    x = 25,791,180.12/5,430.46
  6. Step 6: Final answer
    x = 4,749.36

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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.