Home / 4,747.36-6,551.40-2,758

Finding the Fourth Proportional to 4,747.36, 6,551.40 and 2,758

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Solution

The fourth proportional to 4,747.36, 6,551.40 and 2,758 is: 3,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.36 : 6,551.40 = 2,758 : x
  2. Step 2: Convert to fraction form
    4,747.36/6,551.40 = 2,758/x
  3. Step 3: Cross multiply
    4,747.36x = 6,551.40 × 2,758
  4. Step 4: Simplify right side
    4,747.36x = 18,068,761.20
  5. Step 5: Solve for x
    x = 18,068,761.20/4,747.36
  6. Step 6: Final answer
    x = 3,806.07

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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.