Home / 4,785.90-6,604.50-2,690.02

Finding the Fourth Proportional to 4,785.90, 6,604.50 and 2,690.02

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Solution

The fourth proportional to 4,785.90, 6,604.50 and 2,690.02 is: 3,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.90 : 6,604.50 = 2,690.02 : x
  2. Step 2: Convert to fraction form
    4,785.90/6,604.50 = 2,690.02/x
  3. Step 3: Cross multiply
    4,785.90x = 6,604.50 × 2,690.02
  4. Step 4: Simplify right side
    4,785.90x = 17,766,237.09
  5. Step 5: Solve for x
    x = 17,766,237.09/4,785.90
  6. Step 6: Final answer
    x = 3,712.20

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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.