Home / 7,909.11-11,836.23-4,787.22

Finding the Fourth Proportional to 7,909.11, 11,836.23 and 4,787.22

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Solution

The fourth proportional to 7,909.11, 11,836.23 and 4,787.22 is: 7,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.11 : 11,836.23 = 4,787.22 : x
  2. Step 2: Convert to fraction form
    7,909.11/11,836.23 = 4,787.22/x
  3. Step 3: Cross multiply
    7,909.11x = 11,836.23 × 4,787.22
  4. Step 4: Simplify right side
    7,909.11x = 56,662,636.98
  5. Step 5: Solve for x
    x = 56,662,636.98/7,909.11
  6. Step 6: Final answer
    x = 7,164.22

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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.