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Finding the Fourth Proportional to 4,797.12, 7,197.12 and 2,899.56

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Solution

The fourth proportional to 4,797.12, 7,197.12 and 2,899.56 is: 4,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.12 : 7,197.12 = 2,899.56 : x
  2. Step 2: Convert to fraction form
    4,797.12/7,197.12 = 2,899.56/x
  3. Step 3: Cross multiply
    4,797.12x = 7,197.12 × 2,899.56
  4. Step 4: Simplify right side
    4,797.12x = 20,868,430.78
  5. Step 5: Solve for x
    x = 20,868,430.78/4,797.12
  6. Step 6: Final answer
    x = 4,350.20

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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.