Home / 5,351.12-8,028.04-1,888.72

Finding the Fourth Proportional to 5,351.12, 8,028.04 and 1,888.72

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Solution

The fourth proportional to 5,351.12, 8,028.04 and 1,888.72 is: 2,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.12 : 8,028.04 = 1,888.72 : x
  2. Step 2: Convert to fraction form
    5,351.12/8,028.04 = 1,888.72/x
  3. Step 3: Cross multiply
    5,351.12x = 8,028.04 × 1,888.72
  4. Step 4: Simplify right side
    5,351.12x = 15,162,719.71
  5. Step 5: Solve for x
    x = 15,162,719.71/5,351.12
  6. Step 6: Final answer
    x = 2,833.56

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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.