Home / 4,252.16-6,381.15-1,478.81

Finding the Fourth Proportional to 4,252.16, 6,381.15 and 1,478.81

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Solution

The fourth proportional to 4,252.16, 6,381.15 and 1,478.81 is: 2,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.16 : 6,381.15 = 1,478.81 : x
  2. Step 2: Convert to fraction form
    4,252.16/6,381.15 = 1,478.81/x
  3. Step 3: Cross multiply
    4,252.16x = 6,381.15 × 1,478.81
  4. Step 4: Simplify right side
    4,252.16x = 9,436,469.13
  5. Step 5: Solve for x
    x = 9,436,469.13/4,252.16
  6. Step 6: Final answer
    x = 2,219.22

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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.