Home / 5,436.90-8,155.66-1,541

Finding the Fourth Proportional to 5,436.90, 8,155.66 and 1,541

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Solution

The fourth proportional to 5,436.90, 8,155.66 and 1,541 is: 2,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.90 : 8,155.66 = 1,541 : x
  2. Step 2: Convert to fraction form
    5,436.90/8,155.66 = 1,541/x
  3. Step 3: Cross multiply
    5,436.90x = 8,155.66 × 1,541
  4. Step 4: Simplify right side
    5,436.90x = 12,567,872.06
  5. Step 5: Solve for x
    x = 12,567,872.06/5,436.90
  6. Step 6: Final answer
    x = 2,311.59

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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.