Home / 5,330.30-7,355.85-2,940.35

Finding the Fourth Proportional to 5,330.30, 7,355.85 and 2,940.35

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Solution

The fourth proportional to 5,330.30, 7,355.85 and 2,940.35 is: 4,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.30 : 7,355.85 = 2,940.35 : x
  2. Step 2: Convert to fraction form
    5,330.30/7,355.85 = 2,940.35/x
  3. Step 3: Cross multiply
    5,330.30x = 7,355.85 × 2,940.35
  4. Step 4: Simplify right side
    5,330.30x = 21,628,758.85
  5. Step 5: Solve for x
    x = 21,628,758.85/5,330.30
  6. Step 6: Final answer
    x = 4,057.70

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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.