Home / 7,469.66-10,308.15-4,112.70

Finding the Fourth Proportional to 7,469.66, 10,308.15 and 4,112.70

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Solution

The fourth proportional to 7,469.66, 10,308.15 and 4,112.70 is: 5,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.66 : 10,308.15 = 4,112.70 : x
  2. Step 2: Convert to fraction form
    7,469.66/10,308.15 = 4,112.70/x
  3. Step 3: Cross multiply
    7,469.66x = 10,308.15 × 4,112.70
  4. Step 4: Simplify right side
    7,469.66x = 42,394,328.51
  5. Step 5: Solve for x
    x = 42,394,328.51/7,469.66
  6. Step 6: Final answer
    x = 5,675.54

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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.