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Finding the Fourth Proportional to 6,637.55, 9,956.55 and 2,254.43

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Solution

The fourth proportional to 6,637.55, 9,956.55 and 2,254.43 is: 3,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.55 : 9,956.55 = 2,254.43 : x
  2. Step 2: Convert to fraction form
    6,637.55/9,956.55 = 2,254.43/x
  3. Step 3: Cross multiply
    6,637.55x = 9,956.55 × 2,254.43
  4. Step 4: Simplify right side
    6,637.55x = 22,446,378.36
  5. Step 5: Solve for x
    x = 22,446,378.36/6,637.55
  6. Step 6: Final answer
    x = 3,381.73

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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.