Home / 7,215.11-10,827.80-2,832.57

Finding the Fourth Proportional to 7,215.11, 10,827.80 and 2,832.57

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Solution

The fourth proportional to 7,215.11, 10,827.80 and 2,832.57 is: 4,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.11 : 10,827.80 = 2,832.57 : x
  2. Step 2: Convert to fraction form
    7,215.11/10,827.80 = 2,832.57/x
  3. Step 3: Cross multiply
    7,215.11x = 10,827.80 × 2,832.57
  4. Step 4: Simplify right side
    7,215.11x = 30,670,501.45
  5. Step 5: Solve for x
    x = 30,670,501.45/7,215.11
  6. Step 6: Final answer
    x = 4,250.87

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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.