Home / 4,557.80-6,290.30-2,789.64

Finding the Fourth Proportional to 4,557.80, 6,290.30 and 2,789.64

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Solution

The fourth proportional to 4,557.80, 6,290.30 and 2,789.64 is: 3,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.80 : 6,290.30 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    4,557.80/6,290.30 = 2,789.64/x
  3. Step 3: Cross multiply
    4,557.80x = 6,290.30 × 2,789.64
  4. Step 4: Simplify right side
    4,557.80x = 17,547,672.49
  5. Step 5: Solve for x
    x = 17,547,672.49/4,557.80
  6. Step 6: Final answer
    x = 3,850.03

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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.