Home / 5,320.47-7,342.95-3,833.31

Finding the Fourth Proportional to 5,320.47, 7,342.95 and 3,833.31

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Solution

The fourth proportional to 5,320.47, 7,342.95 and 3,833.31 is: 5,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.47 : 7,342.95 = 3,833.31 : x
  2. Step 2: Convert to fraction form
    5,320.47/7,342.95 = 3,833.31/x
  3. Step 3: Cross multiply
    5,320.47x = 7,342.95 × 3,833.31
  4. Step 4: Simplify right side
    5,320.47x = 28,147,803.66
  5. Step 5: Solve for x
    x = 28,147,803.66/5,320.47
  6. Step 6: Final answer
    x = 5,290.47

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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.