Home / 6,899.29-10,350.66-2,219.71

Finding the Fourth Proportional to 6,899.29, 10,350.66 and 2,219.71

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Solution

The fourth proportional to 6,899.29, 10,350.66 and 2,219.71 is: 3,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.29 : 10,350.66 = 2,219.71 : x
  2. Step 2: Convert to fraction form
    6,899.29/10,350.66 = 2,219.71/x
  3. Step 3: Cross multiply
    6,899.29x = 10,350.66 × 2,219.71
  4. Step 4: Simplify right side
    6,899.29x = 22,975,463.51
  5. Step 5: Solve for x
    x = 22,975,463.51/6,899.29
  6. Step 6: Final answer
    x = 3,330.12

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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.