Home / 5,125.25-7,073.52-3,109.46

Finding the Fourth Proportional to 5,125.25, 7,073.52 and 3,109.46

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Solution

The fourth proportional to 5,125.25, 7,073.52 and 3,109.46 is: 4,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.25 : 7,073.52 = 3,109.46 : x
  2. Step 2: Convert to fraction form
    5,125.25/7,073.52 = 3,109.46/x
  3. Step 3: Cross multiply
    5,125.25x = 7,073.52 × 3,109.46
  4. Step 4: Simplify right side
    5,125.25x = 21,994,827.50
  5. Step 5: Solve for x
    x = 21,994,827.50/5,125.25
  6. Step 6: Final answer
    x = 4,291.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.