Home / 6,870.66-10,305.97-2,488.46

Finding the Fourth Proportional to 6,870.66, 10,305.97 and 2,488.46

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Solution

The fourth proportional to 6,870.66, 10,305.97 and 2,488.46 is: 3,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.66 : 10,305.97 = 2,488.46 : x
  2. Step 2: Convert to fraction form
    6,870.66/10,305.97 = 2,488.46/x
  3. Step 3: Cross multiply
    6,870.66x = 10,305.97 × 2,488.46
  4. Step 4: Simplify right side
    6,870.66x = 25,645,994.11
  5. Step 5: Solve for x
    x = 25,645,994.11/6,870.66
  6. Step 6: Final answer
    x = 3,732.68

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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.