Home / 9,820.95-14,731.57-2,800.97

Finding the Fourth Proportional to 9,820.95, 14,731.57 and 2,800.97

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Solution

The fourth proportional to 9,820.95, 14,731.57 and 2,800.97 is: 4,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.95 : 14,731.57 = 2,800.97 : x
  2. Step 2: Convert to fraction form
    9,820.95/14,731.57 = 2,800.97/x
  3. Step 3: Cross multiply
    9,820.95x = 14,731.57 × 2,800.97
  4. Step 4: Simplify right side
    9,820.95x = 41,262,671.62
  5. Step 5: Solve for x
    x = 41,262,671.62/9,820.95
  6. Step 6: Final answer
    x = 4,201.49

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1.5x scale

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.