Home / 5,130.33-7,695.63-1,843.76

Finding the Fourth Proportional to 5,130.33, 7,695.63 and 1,843.76

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Solution

The fourth proportional to 5,130.33, 7,695.63 and 1,843.76 is: 2,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.33 : 7,695.63 = 1,843.76 : x
  2. Step 2: Convert to fraction form
    5,130.33/7,695.63 = 1,843.76/x
  3. Step 3: Cross multiply
    5,130.33x = 7,695.63 × 1,843.76
  4. Step 4: Simplify right side
    5,130.33x = 14,188,856.29
  5. Step 5: Solve for x
    x = 14,188,856.29/5,130.33
  6. Step 6: Final answer
    x = 2,765.68

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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.