Home / 7,490.88-11,238.55-3,330.32

Finding the Fourth Proportional to 7,490.88, 11,238.55 and 3,330.32

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Solution

The fourth proportional to 7,490.88, 11,238.55 and 3,330.32 is: 4,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.88 : 11,238.55 = 3,330.32 : x
  2. Step 2: Convert to fraction form
    7,490.88/11,238.55 = 3,330.32/x
  3. Step 3: Cross multiply
    7,490.88x = 11,238.55 × 3,330.32
  4. Step 4: Simplify right side
    7,490.88x = 37,427,903.32
  5. Step 5: Solve for x
    x = 37,427,903.32/7,490.88
  6. Step 6: Final answer
    x = 4,996.46

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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.