Home / 5,144.65-7,099.31-3,154.77

Finding the Fourth Proportional to 5,144.65, 7,099.31 and 3,154.77

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Solution

The fourth proportional to 5,144.65, 7,099.31 and 3,154.77 is: 4,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.65 : 7,099.31 = 3,154.77 : x
  2. Step 2: Convert to fraction form
    5,144.65/7,099.31 = 3,154.77/x
  3. Step 3: Cross multiply
    5,144.65x = 7,099.31 × 3,154.77
  4. Step 4: Simplify right side
    5,144.65x = 22,396,698.10
  5. Step 5: Solve for x
    x = 22,396,698.10/5,144.65
  6. Step 6: Final answer
    x = 4,353.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.