Home / 4,869.12-7,304.72-1,749.28

Finding the Fourth Proportional to 4,869.12, 7,304.72 and 1,749.28

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Solution

The fourth proportional to 4,869.12, 7,304.72 and 1,749.28 is: 2,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.12 : 7,304.72 = 1,749.28 : x
  2. Step 2: Convert to fraction form
    4,869.12/7,304.72 = 1,749.28/x
  3. Step 3: Cross multiply
    4,869.12x = 7,304.72 × 1,749.28
  4. Step 4: Simplify right side
    4,869.12x = 12,778,000.60
  5. Step 5: Solve for x
    x = 12,778,000.60/4,869.12
  6. Step 6: Final answer
    x = 2,624.29

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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.