Home / 4,789.12-7,184.91-1,868.26

Finding the Fourth Proportional to 4,789.12, 7,184.91 and 1,868.26

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Solution

The fourth proportional to 4,789.12, 7,184.91 and 1,868.26 is: 2,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.12 : 7,184.91 = 1,868.26 : x
  2. Step 2: Convert to fraction form
    4,789.12/7,184.91 = 1,868.26/x
  3. Step 3: Cross multiply
    4,789.12x = 7,184.91 × 1,868.26
  4. Step 4: Simplify right side
    4,789.12x = 13,423,279.96
  5. Step 5: Solve for x
    x = 13,423,279.96/4,789.12
  6. Step 6: Final answer
    x = 2,802.87

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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.