Home / 5,448.74-8,171.76-1,553.18

Finding the Fourth Proportional to 5,448.74, 8,171.76 and 1,553.18

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Solution

The fourth proportional to 5,448.74, 8,171.76 and 1,553.18 is: 2,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.74 : 8,171.76 = 1,553.18 : x
  2. Step 2: Convert to fraction form
    5,448.74/8,171.76 = 1,553.18/x
  3. Step 3: Cross multiply
    5,448.74x = 8,171.76 × 1,553.18
  4. Step 4: Simplify right side
    5,448.74x = 12,692,214.20
  5. Step 5: Solve for x
    x = 12,692,214.20/5,448.74
  6. Step 6: Final answer
    x = 2,329.39

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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.