Home / 7,442.02-11,163.05-3,281.10

Finding the Fourth Proportional to 7,442.02, 11,163.05 and 3,281.10

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Solution

The fourth proportional to 7,442.02, 11,163.05 and 3,281.10 is: 4,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.02 : 11,163.05 = 3,281.10 : x
  2. Step 2: Convert to fraction form
    7,442.02/11,163.05 = 3,281.10/x
  3. Step 3: Cross multiply
    7,442.02x = 11,163.05 × 3,281.10
  4. Step 4: Simplify right side
    7,442.02x = 36,627,083.36
  5. Step 5: Solve for x
    x = 36,627,083.36/7,442.02
  6. Step 6: Final answer
    x = 4,921.66

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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.