Home / 6,490.02-9,735.30-2,789.72

Finding the Fourth Proportional to 6,490.02, 9,735.30 and 2,789.72

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Solution

The fourth proportional to 6,490.02, 9,735.30 and 2,789.72 is: 4,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.02 : 9,735.30 = 2,789.72 : x
  2. Step 2: Convert to fraction form
    6,490.02/9,735.30 = 2,789.72/x
  3. Step 3: Cross multiply
    6,490.02x = 9,735.30 × 2,789.72
  4. Step 4: Simplify right side
    6,490.02x = 27,158,712.44
  5. Step 5: Solve for x
    x = 27,158,712.44/6,490.02
  6. Step 6: Final answer
    x = 4,184.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.