Home / 7,419.60-11,107.53-5,480.46

Finding the Fourth Proportional to 7,419.60, 11,107.53 and 5,480.46

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Solution

The fourth proportional to 7,419.60, 11,107.53 and 5,480.46 is: 8,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.60 : 11,107.53 = 5,480.46 : x
  2. Step 2: Convert to fraction form
    7,419.60/11,107.53 = 5,480.46/x
  3. Step 3: Cross multiply
    7,419.60x = 11,107.53 × 5,480.46
  4. Step 4: Simplify right side
    7,419.60x = 60,874,373.86
  5. Step 5: Solve for x
    x = 60,874,373.86/7,419.60
  6. Step 6: Final answer
    x = 8,204.54

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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.