Home / 4,704.60-7,061.12-2,515.20

Finding the Fourth Proportional to 4,704.60, 7,061.12 and 2,515.20

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Solution

The fourth proportional to 4,704.60, 7,061.12 and 2,515.20 is: 3,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.60 : 7,061.12 = 2,515.20 : x
  2. Step 2: Convert to fraction form
    4,704.60/7,061.12 = 2,515.20/x
  3. Step 3: Cross multiply
    4,704.60x = 7,061.12 × 2,515.20
  4. Step 4: Simplify right side
    4,704.60x = 17,760,129.02
  5. Step 5: Solve for x
    x = 17,760,129.02/4,704.60
  6. Step 6: Final answer
    x = 3,775.06

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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.