Home / 5,331.78-7,357.89-3,207.36

Finding the Fourth Proportional to 5,331.78, 7,357.89 and 3,207.36

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Solution

The fourth proportional to 5,331.78, 7,357.89 and 3,207.36 is: 4,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.78 : 7,357.89 = 3,207.36 : x
  2. Step 2: Convert to fraction form
    5,331.78/7,357.89 = 3,207.36/x
  3. Step 3: Cross multiply
    5,331.78x = 7,357.89 × 3,207.36
  4. Step 4: Simplify right side
    5,331.78x = 23,599,402.07
  5. Step 5: Solve for x
    x = 23,599,402.07/5,331.78
  6. Step 6: Final answer
    x = 4,426.18

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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.