Home / 6,947.18-10,421.85-2,266.10

Finding the Fourth Proportional to 6,947.18, 10,421.85 and 2,266.10

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Solution

The fourth proportional to 6,947.18, 10,421.85 and 2,266.10 is: 3,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.18 : 10,421.85 = 2,266.10 : x
  2. Step 2: Convert to fraction form
    6,947.18/10,421.85 = 2,266.10/x
  3. Step 3: Cross multiply
    6,947.18x = 10,421.85 × 2,266.10
  4. Step 4: Simplify right side
    6,947.18x = 23,617,008.38
  5. Step 5: Solve for x
    x = 23,617,008.38/6,947.18
  6. Step 6: Final answer
    x = 3,399.51

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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.