Home / 4,721.47-7,081.15-2,865.92

Finding the Fourth Proportional to 4,721.47, 7,081.15 and 2,865.92

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Solution

The fourth proportional to 4,721.47, 7,081.15 and 2,865.92 is: 4,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.47 : 7,081.15 = 2,865.92 : x
  2. Step 2: Convert to fraction form
    4,721.47/7,081.15 = 2,865.92/x
  3. Step 3: Cross multiply
    4,721.47x = 7,081.15 × 2,865.92
  4. Step 4: Simplify right side
    4,721.47x = 20,294,009.41
  5. Step 5: Solve for x
    x = 20,294,009.41/4,721.47
  6. Step 6: Final answer
    x = 4,298.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.