Home / 6,360.16-9,540.24-3,280

Finding the Fourth Proportional to 6,360.16, 9,540.24 and 3,280

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Solution

The fourth proportional to 6,360.16, 9,540.24 and 3,280 is: 4,920

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.16 : 9,540.24 = 3,280 : x
  2. Step 2: Convert to fraction form
    6,360.16/9,540.24 = 3,280/x
  3. Step 3: Cross multiply
    6,360.16x = 9,540.24 × 3,280
  4. Step 4: Simplify right side
    6,360.16x = 31,291,987.20
  5. Step 5: Solve for x
    x = 31,291,987.20/6,360.16
  6. Step 6: Final answer
    x = 4,920

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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.