Home / 5,337.33-7,365.69-2,979.90

Finding the Fourth Proportional to 5,337.33, 7,365.69 and 2,979.90

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Solution

The fourth proportional to 5,337.33, 7,365.69 and 2,979.90 is: 4,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.33 : 7,365.69 = 2,979.90 : x
  2. Step 2: Convert to fraction form
    5,337.33/7,365.69 = 2,979.90/x
  3. Step 3: Cross multiply
    5,337.33x = 7,365.69 × 2,979.90
  4. Step 4: Simplify right side
    5,337.33x = 21,949,019.63
  5. Step 5: Solve for x
    x = 21,949,019.63/5,337.33
  6. Step 6: Final answer
    x = 4,112.36

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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.