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Finding the Fourth Proportional to 6,666.84, 9,991.02 and 2,502.66

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Solution

The fourth proportional to 6,666.84, 9,991.02 and 2,502.66 is: 3,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.84 : 9,991.02 = 2,502.66 : x
  2. Step 2: Convert to fraction form
    6,666.84/9,991.02 = 2,502.66/x
  3. Step 3: Cross multiply
    6,666.84x = 9,991.02 × 2,502.66
  4. Step 4: Simplify right side
    6,666.84x = 25,004,126.11
  5. Step 5: Solve for x
    x = 25,004,126.11/6,666.84
  6. Step 6: Final answer
    x = 3,750.52

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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.