Home / 4,085.61-6,127.28-1,452.78

Finding the Fourth Proportional to 4,085.61, 6,127.28 and 1,452.78

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Solution

The fourth proportional to 4,085.61, 6,127.28 and 1,452.78 is: 2,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.61 : 6,127.28 = 1,452.78 : x
  2. Step 2: Convert to fraction form
    4,085.61/6,127.28 = 1,452.78/x
  3. Step 3: Cross multiply
    4,085.61x = 6,127.28 × 1,452.78
  4. Step 4: Simplify right side
    4,085.61x = 8,901,582.57
  5. Step 5: Solve for x
    x = 8,901,582.57/4,085.61
  6. Step 6: Final answer
    x = 2,178.76

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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.