Home / 5,453.80-8,179.71-1,557.25

Finding the Fourth Proportional to 5,453.80, 8,179.71 and 1,557.25

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Solution

The fourth proportional to 5,453.80, 8,179.71 and 1,557.25 is: 2,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.80 : 8,179.71 = 1,557.25 : x
  2. Step 2: Convert to fraction form
    5,453.80/8,179.71 = 1,557.25/x
  3. Step 3: Cross multiply
    5,453.80x = 8,179.71 × 1,557.25
  4. Step 4: Simplify right side
    5,453.80x = 12,737,853.40
  5. Step 5: Solve for x
    x = 12,737,853.40/5,453.80
  6. Step 6: Final answer
    x = 2,335.59

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1.5x scale

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.