Home / 7,210.11-10,813.50-2,766.25

Finding the Fourth Proportional to 7,210.11, 10,813.50 and 2,766.25

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Solution

The fourth proportional to 7,210.11, 10,813.50 and 2,766.25 is: 4,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.11 : 10,813.50 = 2,766.25 : x
  2. Step 2: Convert to fraction form
    7,210.11/10,813.50 = 2,766.25/x
  3. Step 3: Cross multiply
    7,210.11x = 10,813.50 × 2,766.25
  4. Step 4: Simplify right side
    7,210.11x = 29,912,857.89
  5. Step 5: Solve for x
    x = 29,912,857.89/7,210.11
  6. Step 6: Final answer
    x = 4,148.74

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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.