Home / 4,382.75-6,575.13-1,262.78

Finding the Fourth Proportional to 4,382.75, 6,575.13 and 1,262.78

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Solution

The fourth proportional to 4,382.75, 6,575.13 and 1,262.78 is: 1,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.75 : 6,575.13 = 1,262.78 : x
  2. Step 2: Convert to fraction form
    4,382.75/6,575.13 = 1,262.78/x
  3. Step 3: Cross multiply
    4,382.75x = 6,575.13 × 1,262.78
  4. Step 4: Simplify right side
    4,382.75x = 8,302,959.10
  5. Step 5: Solve for x
    x = 8,302,959.10/4,382.75
  6. Step 6: Final answer
    x = 1,894.46

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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.