Home / 5,337.09-7,365.20-2,979.32

Finding the Fourth Proportional to 5,337.09, 7,365.20 and 2,979.32

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Solution

The fourth proportional to 5,337.09, 7,365.20 and 2,979.32 is: 4,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.09 : 7,365.20 = 2,979.32 : x
  2. Step 2: Convert to fraction form
    5,337.09/7,365.20 = 2,979.32/x
  3. Step 3: Cross multiply
    5,337.09x = 7,365.20 × 2,979.32
  4. Step 4: Simplify right side
    5,337.09x = 21,943,235.94
  5. Step 5: Solve for x
    x = 21,943,235.94/5,337.09
  6. Step 6: Final answer
    x = 4,111.46

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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.