Home / 4,547.20-6,819.72-3,085.96

Finding the Fourth Proportional to 4,547.20, 6,819.72 and 3,085.96

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Solution

The fourth proportional to 4,547.20, 6,819.72 and 3,085.96 is: 4,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.20 : 6,819.72 = 3,085.96 : x
  2. Step 2: Convert to fraction form
    4,547.20/6,819.72 = 3,085.96/x
  3. Step 3: Cross multiply
    4,547.20x = 6,819.72 × 3,085.96
  4. Step 4: Simplify right side
    4,547.20x = 21,045,383.13
  5. Step 5: Solve for x
    x = 21,045,383.13/4,547.20
  6. Step 6: Final answer
    x = 4,628.21

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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.