Home / 7,404.43-10,217.68-4,047.20

Finding the Fourth Proportional to 7,404.43, 10,217.68 and 4,047.20

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Solution

The fourth proportional to 7,404.43, 10,217.68 and 4,047.20 is: 5,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.43 : 10,217.68 = 4,047.20 : x
  2. Step 2: Convert to fraction form
    7,404.43/10,217.68 = 4,047.20/x
  3. Step 3: Cross multiply
    7,404.43x = 10,217.68 × 4,047.20
  4. Step 4: Simplify right side
    7,404.43x = 41,352,994.50
  5. Step 5: Solve for x
    x = 41,352,994.50/7,404.43
  6. Step 6: Final answer
    x = 5,584.90

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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.