Home / 5,097.85-7,645.92-1,399.22

Finding the Fourth Proportional to 5,097.85, 7,645.92 and 1,399.22

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Solution

The fourth proportional to 5,097.85, 7,645.92 and 1,399.22 is: 2,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.85 : 7,645.92 = 1,399.22 : x
  2. Step 2: Convert to fraction form
    5,097.85/7,645.92 = 1,399.22/x
  3. Step 3: Cross multiply
    5,097.85x = 7,645.92 × 1,399.22
  4. Step 4: Simplify right side
    5,097.85x = 10,698,356.32
  5. Step 5: Solve for x
    x = 10,698,356.32/5,097.85
  6. Step 6: Final answer
    x = 2,098.60

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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.