Home / 4,578.48-6,863.04-2,115.12

Finding the Fourth Proportional to 4,578.48, 6,863.04 and 2,115.12

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Solution

The fourth proportional to 4,578.48, 6,863.04 and 2,115.12 is: 3,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.48 : 6,863.04 = 2,115.12 : x
  2. Step 2: Convert to fraction form
    4,578.48/6,863.04 = 2,115.12/x
  3. Step 3: Cross multiply
    4,578.48x = 6,863.04 × 2,115.12
  4. Step 4: Simplify right side
    4,578.48x = 14,516,153.16
  5. Step 5: Solve for x
    x = 14,516,153.16/4,578.48
  6. Step 6: Final answer
    x = 3,170.52

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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.