Home / 4,420.38-6,629.07-1,787.19

Finding the Fourth Proportional to 4,420.38, 6,629.07 and 1,787.19

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Solution

The fourth proportional to 4,420.38, 6,629.07 and 1,787.19 is: 2,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.38 : 6,629.07 = 1,787.19 : x
  2. Step 2: Convert to fraction form
    4,420.38/6,629.07 = 1,787.19/x
  3. Step 3: Cross multiply
    4,420.38x = 6,629.07 × 1,787.19
  4. Step 4: Simplify right side
    4,420.38x = 11,847,407.61
  5. Step 5: Solve for x
    x = 11,847,407.61/4,420.38
  6. Step 6: Final answer
    x = 2,680.18

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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.