Home / 5,283.02-7,928.85-2,163.05

Finding the Fourth Proportional to 5,283.02, 7,928.85 and 2,163.05

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Solution

The fourth proportional to 5,283.02, 7,928.85 and 2,163.05 is: 3,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.02 : 7,928.85 = 2,163.05 : x
  2. Step 2: Convert to fraction form
    5,283.02/7,928.85 = 2,163.05/x
  3. Step 3: Cross multiply
    5,283.02x = 7,928.85 × 2,163.05
  4. Step 4: Simplify right side
    5,283.02x = 17,150,459.35
  5. Step 5: Solve for x
    x = 17,150,459.35/5,283.02
  6. Step 6: Final answer
    x = 3,246.34

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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.