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Finding the Fourth Proportional to 6,813.48, 10,214.76 and 6,266.76

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Solution

The fourth proportional to 6,813.48, 10,214.76 and 6,266.76 is: 9,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.48 : 10,214.76 = 6,266.76 : x
  2. Step 2: Convert to fraction form
    6,813.48/10,214.76 = 6,266.76/x
  3. Step 3: Cross multiply
    6,813.48x = 10,214.76 × 6,266.76
  4. Step 4: Simplify right side
    6,813.48x = 64,013,449.38
  5. Step 5: Solve for x
    x = 64,013,449.38/6,813.48
  6. Step 6: Final answer
    x = 9,395.12

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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.