Home / 5,309.02-7,966.86-2,022.40

Finding the Fourth Proportional to 5,309.02, 7,966.86 and 2,022.40

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Solution

The fourth proportional to 5,309.02, 7,966.86 and 2,022.40 is: 3,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.02 : 7,966.86 = 2,022.40 : x
  2. Step 2: Convert to fraction form
    5,309.02/7,966.86 = 2,022.40/x
  3. Step 3: Cross multiply
    5,309.02x = 7,966.86 × 2,022.40
  4. Step 4: Simplify right side
    5,309.02x = 16,112,177.66
  5. Step 5: Solve for x
    x = 16,112,177.66/5,309.02
  6. Step 6: Final answer
    x = 3,034.87

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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.