Home / 4,774.20-7,166.70-2,581.80

Finding the Fourth Proportional to 4,774.20, 7,166.70 and 2,581.80

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Solution

The fourth proportional to 4,774.20, 7,166.70 and 2,581.80 is: 3,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.20 : 7,166.70 = 2,581.80 : x
  2. Step 2: Convert to fraction form
    4,774.20/7,166.70 = 2,581.80/x
  3. Step 3: Cross multiply
    4,774.20x = 7,166.70 × 2,581.80
  4. Step 4: Simplify right side
    4,774.20x = 18,502,986.06
  5. Step 5: Solve for x
    x = 18,502,986.06/4,774.20
  6. Step 6: Final answer
    x = 3,875.62

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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.