Home / 5,116-7,060.08-2,908

Finding the Fourth Proportional to 5,116, 7,060.08 and 2,908

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Solution

The fourth proportional to 5,116, 7,060.08 and 2,908 is: 4,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116 : 7,060.08 = 2,908 : x
  2. Step 2: Convert to fraction form
    5,116/7,060.08 = 2,908/x
  3. Step 3: Cross multiply
    5,116x = 7,060.08 × 2,908
  4. Step 4: Simplify right side
    5,116x = 20,530,712.64
  5. Step 5: Solve for x
    x = 20,530,712.64/5,116
  6. Step 6: Final answer
    x = 4,013.04

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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.