Home / 4,786.40-6,605.19-2,690.52

Finding the Fourth Proportional to 4,786.40, 6,605.19 and 2,690.52

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Solution

The fourth proportional to 4,786.40, 6,605.19 and 2,690.52 is: 3,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.40 : 6,605.19 = 2,690.52 : x
  2. Step 2: Convert to fraction form
    4,786.40/6,605.19 = 2,690.52/x
  3. Step 3: Cross multiply
    4,786.40x = 6,605.19 × 2,690.52
  4. Step 4: Simplify right side
    4,786.40x = 17,771,395.80
  5. Step 5: Solve for x
    x = 17,771,395.80/4,786.40
  6. Step 6: Final answer
    x = 3,712.90

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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.