Home / 5,339.46-8,009.25-1,443.78

Finding the Fourth Proportional to 5,339.46, 8,009.25 and 1,443.78

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Solution

The fourth proportional to 5,339.46, 8,009.25 and 1,443.78 is: 2,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.46 : 8,009.25 = 1,443.78 : x
  2. Step 2: Convert to fraction form
    5,339.46/8,009.25 = 1,443.78/x
  3. Step 3: Cross multiply
    5,339.46x = 8,009.25 × 1,443.78
  4. Step 4: Simplify right side
    5,339.46x = 11,563,594.97
  5. Step 5: Solve for x
    x = 11,563,594.97/5,339.46
  6. Step 6: Final answer
    x = 2,165.69

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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.