Home / 5,016-6,922.40-2,808

Finding the Fourth Proportional to 5,016, 6,922.40 and 2,808

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Solution

The fourth proportional to 5,016, 6,922.40 and 2,808 is: 3,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016 : 6,922.40 = 2,808 : x
  2. Step 2: Convert to fraction form
    5,016/6,922.40 = 2,808/x
  3. Step 3: Cross multiply
    5,016x = 6,922.40 × 2,808
  4. Step 4: Simplify right side
    5,016x = 19,438,099.20
  5. Step 5: Solve for x
    x = 19,438,099.20/5,016
  6. Step 6: Final answer
    x = 3,875.22

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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.