Home / 9,820.75-14,731.25-2,800.76

Finding the Fourth Proportional to 9,820.75, 14,731.25 and 2,800.76

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Solution

The fourth proportional to 9,820.75, 14,731.25 and 2,800.76 is: 4,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.75 : 14,731.25 = 2,800.76 : x
  2. Step 2: Convert to fraction form
    9,820.75/14,731.25 = 2,800.76/x
  3. Step 3: Cross multiply
    9,820.75x = 14,731.25 × 2,800.76
  4. Step 4: Simplify right side
    9,820.75x = 41,258,695.75
  5. Step 5: Solve for x
    x = 41,258,695.75/9,820.75
  6. Step 6: Final answer
    x = 4,201.18

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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.