Home / 5,330.10-7,355.45-2,940.30

Finding the Fourth Proportional to 5,330.10, 7,355.45 and 2,940.30

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Solution

The fourth proportional to 5,330.10, 7,355.45 and 2,940.30 is: 4,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.10 : 7,355.45 = 2,940.30 : x
  2. Step 2: Convert to fraction form
    5,330.10/7,355.45 = 2,940.30/x
  3. Step 3: Cross multiply
    5,330.10x = 7,355.45 × 2,940.30
  4. Step 4: Simplify right side
    5,330.10x = 21,627,214.93
  5. Step 5: Solve for x
    x = 21,627,214.93/5,330.10
  6. Step 6: Final answer
    x = 4,057.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.