Home / 4,085.12-6,125.76-2,853.92

Finding the Fourth Proportional to 4,085.12, 6,125.76 and 2,853.92

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Solution

The fourth proportional to 4,085.12, 6,125.76 and 2,853.92 is: 4,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.12 : 6,125.76 = 2,853.92 : x
  2. Step 2: Convert to fraction form
    4,085.12/6,125.76 = 2,853.92/x
  3. Step 3: Cross multiply
    4,085.12x = 6,125.76 × 2,853.92
  4. Step 4: Simplify right side
    4,085.12x = 17,482,428.98
  5. Step 5: Solve for x
    x = 17,482,428.98/4,085.12
  6. Step 6: Final answer
    x = 4,279.54

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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.