Home / 7,456.11-11,184.12-1,909.44

Finding the Fourth Proportional to 7,456.11, 11,184.12 and 1,909.44

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Solution

The fourth proportional to 7,456.11, 11,184.12 and 1,909.44 is: 2,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.11 : 11,184.12 = 1,909.44 : x
  2. Step 2: Convert to fraction form
    7,456.11/11,184.12 = 1,909.44/x
  3. Step 3: Cross multiply
    7,456.11x = 11,184.12 × 1,909.44
  4. Step 4: Simplify right side
    7,456.11x = 21,355,406.09
  5. Step 5: Solve for x
    x = 21,355,406.09/7,456.11
  6. Step 6: Final answer
    x = 2,864.15

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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.