Home / 4,217.93-6,328.17-2,987.72

Finding the Fourth Proportional to 4,217.93, 6,328.17 and 2,987.72

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Solution

The fourth proportional to 4,217.93, 6,328.17 and 2,987.72 is: 4,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.93 : 6,328.17 = 2,987.72 : x
  2. Step 2: Convert to fraction form
    4,217.93/6,328.17 = 2,987.72/x
  3. Step 3: Cross multiply
    4,217.93x = 6,328.17 × 2,987.72
  4. Step 4: Simplify right side
    4,217.93x = 18,906,768.43
  5. Step 5: Solve for x
    x = 18,906,768.43/4,217.93
  6. Step 6: Final answer
    x = 4,482.48

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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.