Home / 4,789.40-7,184.36-1,867.46

Finding the Fourth Proportional to 4,789.40, 7,184.36 and 1,867.46

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Solution

The fourth proportional to 4,789.40, 7,184.36 and 1,867.46 is: 2,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.40 : 7,184.36 = 1,867.46 : x
  2. Step 2: Convert to fraction form
    4,789.40/7,184.36 = 1,867.46/x
  3. Step 3: Cross multiply
    4,789.40x = 7,184.36 × 1,867.46
  4. Step 4: Simplify right side
    4,789.40x = 13,416,473.67
  5. Step 5: Solve for x
    x = 13,416,473.67/4,789.40
  6. Step 6: Final answer
    x = 2,801.29

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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.