Home / 5,407.12-8,110.68-3,097

Finding the Fourth Proportional to 5,407.12, 8,110.68 and 3,097

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Solution

The fourth proportional to 5,407.12, 8,110.68 and 3,097 is: 4,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.12 : 8,110.68 = 3,097 : x
  2. Step 2: Convert to fraction form
    5,407.12/8,110.68 = 3,097/x
  3. Step 3: Cross multiply
    5,407.12x = 8,110.68 × 3,097
  4. Step 4: Simplify right side
    5,407.12x = 25,118,775.96
  5. Step 5: Solve for x
    x = 25,118,775.96/5,407.12
  6. Step 6: Final answer
    x = 4,645.50

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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.