Home / 4,786.80-6,605.08-2,690.52

Finding the Fourth Proportional to 4,786.80, 6,605.08 and 2,690.52

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Solution

The fourth proportional to 4,786.80, 6,605.08 and 2,690.52 is: 3,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.80 : 6,605.08 = 2,690.52 : x
  2. Step 2: Convert to fraction form
    4,786.80/6,605.08 = 2,690.52/x
  3. Step 3: Cross multiply
    4,786.80x = 6,605.08 × 2,690.52
  4. Step 4: Simplify right side
    4,786.80x = 17,771,099.84
  5. Step 5: Solve for x
    x = 17,771,099.84/4,786.80
  6. Step 6: Final answer
    x = 3,712.52

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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.