Home / 11,377.81-17,070-4,805.02

Finding the Fourth Proportional to 11,377.81, 17,070 and 4,805.02

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Solution

The fourth proportional to 11,377.81, 17,070 and 4,805.02 is: 7,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.81 : 17,070 = 4,805.02 : x
  2. Step 2: Convert to fraction form
    11,377.81/17,070 = 4,805.02/x
  3. Step 3: Cross multiply
    11,377.81x = 17,070 × 4,805.02
  4. Step 4: Simplify right side
    11,377.81x = 82,021,691.40
  5. Step 5: Solve for x
    x = 82,021,691.40/11,377.81
  6. Step 6: Final answer
    x = 7,208.92

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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.