Home / 6,870.20-10,305.24-2,486

Finding the Fourth Proportional to 6,870.20, 10,305.24 and 2,486

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Solution

The fourth proportional to 6,870.20, 10,305.24 and 2,486 is: 3,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.20 : 10,305.24 = 2,486 : x
  2. Step 2: Convert to fraction form
    6,870.20/10,305.24 = 2,486/x
  3. Step 3: Cross multiply
    6,870.20x = 10,305.24 × 2,486
  4. Step 4: Simplify right side
    6,870.20x = 25,618,826.64
  5. Step 5: Solve for x
    x = 25,618,826.64/6,870.20
  6. Step 6: Final answer
    x = 3,728.98

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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.