Home / 6,870.24-10,305.60-2,486.88

Finding the Fourth Proportional to 6,870.24, 10,305.60 and 2,486.88

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Solution

The fourth proportional to 6,870.24, 10,305.60 and 2,486.88 is: 3,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.24 : 10,305.60 = 2,486.88 : x
  2. Step 2: Convert to fraction form
    6,870.24/10,305.60 = 2,486.88/x
  3. Step 3: Cross multiply
    6,870.24x = 10,305.60 × 2,486.88
  4. Step 4: Simplify right side
    6,870.24x = 25,628,790.53
  5. Step 5: Solve for x
    x = 25,628,790.53/6,870.24
  6. Step 6: Final answer
    x = 3,730.41

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1.5x scale

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.