Home / 4,761.48-6,570-2,872.56

Finding the Fourth Proportional to 4,761.48, 6,570 and 2,872.56

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Solution

The fourth proportional to 4,761.48, 6,570 and 2,872.56 is: 3,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.48 : 6,570 = 2,872.56 : x
  2. Step 2: Convert to fraction form
    4,761.48/6,570 = 2,872.56/x
  3. Step 3: Cross multiply
    4,761.48x = 6,570 × 2,872.56
  4. Step 4: Simplify right side
    4,761.48x = 18,872,719.20
  5. Step 5: Solve for x
    x = 18,872,719.20/4,761.48
  6. Step 6: Final answer
    x = 3,963.62

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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.