Home / 5,148.28-7,722.34-1,252.68

Finding the Fourth Proportional to 5,148.28, 7,722.34 and 1,252.68

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Solution

The fourth proportional to 5,148.28, 7,722.34 and 1,252.68 is: 1,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.28 : 7,722.34 = 1,252.68 : x
  2. Step 2: Convert to fraction form
    5,148.28/7,722.34 = 1,252.68/x
  3. Step 3: Cross multiply
    5,148.28x = 7,722.34 × 1,252.68
  4. Step 4: Simplify right side
    5,148.28x = 9,673,620.87
  5. Step 5: Solve for x
    x = 9,673,620.87/5,148.28
  6. Step 6: Final answer
    x = 1,879.00

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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.