Home / 4,882-7,320.70-2,106.94

Finding the Fourth Proportional to 4,882, 7,320.70 and 2,106.94

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Solution

The fourth proportional to 4,882, 7,320.70 and 2,106.94 is: 3,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882 : 7,320.70 = 2,106.94 : x
  2. Step 2: Convert to fraction form
    4,882/7,320.70 = 2,106.94/x
  3. Step 3: Cross multiply
    4,882x = 7,320.70 × 2,106.94
  4. Step 4: Simplify right side
    4,882x = 15,424,275.66
  5. Step 5: Solve for x
    x = 15,424,275.66/4,882
  6. Step 6: Final answer
    x = 3,159.42

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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.