Home / 4,154.30-6,229.11-1,379.49

Finding the Fourth Proportional to 4,154.30, 6,229.11 and 1,379.49

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Solution

The fourth proportional to 4,154.30, 6,229.11 and 1,379.49 is: 2,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.30 : 6,229.11 = 1,379.49 : x
  2. Step 2: Convert to fraction form
    4,154.30/6,229.11 = 1,379.49/x
  3. Step 3: Cross multiply
    4,154.30x = 6,229.11 × 1,379.49
  4. Step 4: Simplify right side
    4,154.30x = 8,592,963.81
  5. Step 5: Solve for x
    x = 8,592,963.81/4,154.30
  6. Step 6: Final answer
    x = 2,068.45

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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.