Home / 8,266.63-11,394.50-6,471.13

Finding the Fourth Proportional to 8,266.63, 11,394.50 and 6,471.13

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Solution

The fourth proportional to 8,266.63, 11,394.50 and 6,471.13 is: 8,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.63 : 11,394.50 = 6,471.13 : x
  2. Step 2: Convert to fraction form
    8,266.63/11,394.50 = 6,471.13/x
  3. Step 3: Cross multiply
    8,266.63x = 11,394.50 × 6,471.13
  4. Step 4: Simplify right side
    8,266.63x = 73,735,253.48
  5. Step 5: Solve for x
    x = 73,735,253.48/8,266.63
  6. Step 6: Final answer
    x = 8,919.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.