Home / 4,307.76-5,940-2,908.08

Finding the Fourth Proportional to 4,307.76, 5,940 and 2,908.08

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Solution

The fourth proportional to 4,307.76, 5,940 and 2,908.08 is: 4,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.76 : 5,940 = 2,908.08 : x
  2. Step 2: Convert to fraction form
    4,307.76/5,940 = 2,908.08/x
  3. Step 3: Cross multiply
    4,307.76x = 5,940 × 2,908.08
  4. Step 4: Simplify right side
    4,307.76x = 17,273,995.20
  5. Step 5: Solve for x
    x = 17,273,995.20/4,307.76
  6. Step 6: Final answer
    x = 4,009.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.