Home / 5,456.10-8,194.05-4,775.70

Finding the Fourth Proportional to 5,456.10, 8,194.05 and 4,775.70

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Solution

The fourth proportional to 5,456.10, 8,194.05 and 4,775.70 is: 7,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.10 : 8,194.05 = 4,775.70 : x
  2. Step 2: Convert to fraction form
    5,456.10/8,194.05 = 4,775.70/x
  3. Step 3: Cross multiply
    5,456.10x = 8,194.05 × 4,775.70
  4. Step 4: Simplify right side
    5,456.10x = 39,132,324.59
  5. Step 5: Solve for x
    x = 39,132,324.59/5,456.10
  6. Step 6: Final answer
    x = 7,172.22

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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.