Home / 4,642.60-6,966.24-1,721.56

Finding the Fourth Proportional to 4,642.60, 6,966.24 and 1,721.56

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Solution

The fourth proportional to 4,642.60, 6,966.24 and 1,721.56 is: 2,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.60 : 6,966.24 = 1,721.56 : x
  2. Step 2: Convert to fraction form
    4,642.60/6,966.24 = 1,721.56/x
  3. Step 3: Cross multiply
    4,642.60x = 6,966.24 × 1,721.56
  4. Step 4: Simplify right side
    4,642.60x = 11,992,800.13
  5. Step 5: Solve for x
    x = 11,992,800.13/4,642.60
  6. Step 6: Final answer
    x = 2,583.21

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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.