Home / 6,900.29-10,352.16-2,220.71

Finding the Fourth Proportional to 6,900.29, 10,352.16 and 2,220.71

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Solution

The fourth proportional to 6,900.29, 10,352.16 and 2,220.71 is: 3,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.29 : 10,352.16 = 2,220.71 : x
  2. Step 2: Convert to fraction form
    6,900.29/10,352.16 = 2,220.71/x
  3. Step 3: Cross multiply
    6,900.29x = 10,352.16 × 2,220.71
  4. Step 4: Simplify right side
    6,900.29x = 22,989,145.23
  5. Step 5: Solve for x
    x = 22,989,145.23/6,900.29
  6. Step 6: Final answer
    x = 3,331.62

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Similar ratio
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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.