Home / 7,885.29-11,808.46-5,103.42

Finding the Fourth Proportional to 7,885.29, 11,808.46 and 5,103.42

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Solution

The fourth proportional to 7,885.29, 11,808.46 and 5,103.42 is: 7,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.29 : 11,808.46 = 5,103.42 : x
  2. Step 2: Convert to fraction form
    7,885.29/11,808.46 = 5,103.42/x
  3. Step 3: Cross multiply
    7,885.29x = 11,808.46 × 5,103.42
  4. Step 4: Simplify right side
    7,885.29x = 60,263,530.93
  5. Step 5: Solve for x
    x = 60,263,530.93/7,885.29
  6. Step 6: Final answer
    x = 7,642.53

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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.