Home / 5,357.13-7,392.86-2,999.31

Finding the Fourth Proportional to 5,357.13, 7,392.86 and 2,999.31

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Solution

The fourth proportional to 5,357.13, 7,392.86 and 2,999.31 is: 4,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.13 : 7,392.86 = 2,999.31 : x
  2. Step 2: Convert to fraction form
    5,357.13/7,392.86 = 2,999.31/x
  3. Step 3: Cross multiply
    5,357.13x = 7,392.86 × 2,999.31
  4. Step 4: Simplify right side
    5,357.13x = 22,173,463.93
  5. Step 5: Solve for x
    x = 22,173,463.93/5,357.13
  6. Step 6: Final answer
    x = 4,139.06

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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.