Home / 7,251.21-10,873.38-2,810.95

Finding the Fourth Proportional to 7,251.21, 10,873.38 and 2,810.95

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Solution

The fourth proportional to 7,251.21, 10,873.38 and 2,810.95 is: 4,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.21 : 10,873.38 = 2,810.95 : x
  2. Step 2: Convert to fraction form
    7,251.21/10,873.38 = 2,810.95/x
  3. Step 3: Cross multiply
    7,251.21x = 10,873.38 × 2,810.95
  4. Step 4: Simplify right side
    7,251.21x = 30,564,527.51
  5. Step 5: Solve for x
    x = 30,564,527.51/7,251.21
  6. Step 6: Final answer
    x = 4,215.09

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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.