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Finding the Fourth Proportional to 6,885.84, 9,502.52 and 3,742.03

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Solution

The fourth proportional to 6,885.84, 9,502.52 and 3,742.03 is: 5,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.84 : 9,502.52 = 3,742.03 : x
  2. Step 2: Convert to fraction form
    6,885.84/9,502.52 = 3,742.03/x
  3. Step 3: Cross multiply
    6,885.84x = 9,502.52 × 3,742.03
  4. Step 4: Simplify right side
    6,885.84x = 35,558,714.92
  5. Step 5: Solve for x
    x = 35,558,714.92/6,885.84
  6. Step 6: Final answer
    x = 5,164.03

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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.