Home / 5,913.06-8,160.45-3,395.88

Finding the Fourth Proportional to 5,913.06, 8,160.45 and 3,395.88

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Solution

The fourth proportional to 5,913.06, 8,160.45 and 3,395.88 is: 4,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.06 : 8,160.45 = 3,395.88 : x
  2. Step 2: Convert to fraction form
    5,913.06/8,160.45 = 3,395.88/x
  3. Step 3: Cross multiply
    5,913.06x = 8,160.45 × 3,395.88
  4. Step 4: Simplify right side
    5,913.06x = 27,711,908.95
  5. Step 5: Solve for x
    x = 27,711,908.95/5,913.06
  6. Step 6: Final answer
    x = 4,686.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.