Home / 4,818-6,646.77-2,801.28

Finding the Fourth Proportional to 4,818, 6,646.77 and 2,801.28

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Solution

The fourth proportional to 4,818, 6,646.77 and 2,801.28 is: 3,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818 : 6,646.77 = 2,801.28 : x
  2. Step 2: Convert to fraction form
    4,818/6,646.77 = 2,801.28/x
  3. Step 3: Cross multiply
    4,818x = 6,646.77 × 2,801.28
  4. Step 4: Simplify right side
    4,818x = 18,619,463.87
  5. Step 5: Solve for x
    x = 18,619,463.87/4,818
  6. Step 6: Final answer
    x = 3,864.56

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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.