Home / 4,515-6,231.42-3,275.16

Finding the Fourth Proportional to 4,515, 6,231.42 and 3,275.16

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Solution

The fourth proportional to 4,515, 6,231.42 and 3,275.16 is: 4,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515 : 6,231.42 = 3,275.16 : x
  2. Step 2: Convert to fraction form
    4,515/6,231.42 = 3,275.16/x
  3. Step 3: Cross multiply
    4,515x = 6,231.42 × 3,275.16
  4. Step 4: Simplify right side
    4,515x = 20,408,897.53
  5. Step 5: Solve for x
    x = 20,408,897.53/4,515
  6. Step 6: Final answer
    x = 4,520.24

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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.