Home / 5,435.59-8,154.43-2,315.54

Finding the Fourth Proportional to 5,435.59, 8,154.43 and 2,315.54

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Solution

The fourth proportional to 5,435.59, 8,154.43 and 2,315.54 is: 3,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.59 : 8,154.43 = 2,315.54 : x
  2. Step 2: Convert to fraction form
    5,435.59/8,154.43 = 2,315.54/x
  3. Step 3: Cross multiply
    5,435.59x = 8,154.43 × 2,315.54
  4. Step 4: Simplify right side
    5,435.59x = 18,881,862.28
  5. Step 5: Solve for x
    x = 18,881,862.28/5,435.59
  6. Step 6: Final answer
    x = 3,473.75

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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.