Home / 7,377.12-11,056.32-7,299

Finding the Fourth Proportional to 7,377.12, 11,056.32 and 7,299

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Solution

The fourth proportional to 7,377.12, 11,056.32 and 7,299 is: 10,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.12 : 11,056.32 = 7,299 : x
  2. Step 2: Convert to fraction form
    7,377.12/11,056.32 = 7,299/x
  3. Step 3: Cross multiply
    7,377.12x = 11,056.32 × 7,299
  4. Step 4: Simplify right side
    7,377.12x = 80,700,079.68
  5. Step 5: Solve for x
    x = 80,700,079.68/7,377.12
  6. Step 6: Final answer
    x = 10,939.24

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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.