Home / 4,047.35-5,586.10-2,278.96

Finding the Fourth Proportional to 4,047.35, 5,586.10 and 2,278.96

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Solution

The fourth proportional to 4,047.35, 5,586.10 and 2,278.96 is: 3,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.35 : 5,586.10 = 2,278.96 : x
  2. Step 2: Convert to fraction form
    4,047.35/5,586.10 = 2,278.96/x
  3. Step 3: Cross multiply
    4,047.35x = 5,586.10 × 2,278.96
  4. Step 4: Simplify right side
    4,047.35x = 12,730,478.79
  5. Step 5: Solve for x
    x = 12,730,478.79/4,047.35
  6. Step 6: Final answer
    x = 3,145.39

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.