Home / 6,483.30-9,726.48-2,100.76

Finding the Fourth Proportional to 6,483.30, 9,726.48 and 2,100.76

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Solution

The fourth proportional to 6,483.30, 9,726.48 and 2,100.76 is: 3,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.30 : 9,726.48 = 2,100.76 : x
  2. Step 2: Convert to fraction form
    6,483.30/9,726.48 = 2,100.76/x
  3. Step 3: Cross multiply
    6,483.30x = 9,726.48 × 2,100.76
  4. Step 4: Simplify right side
    6,483.30x = 20,433,000.12
  5. Step 5: Solve for x
    x = 20,433,000.12/6,483.30
  6. Step 6: Final answer
    x = 3,151.64

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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.