Home / 7,490.68-11,232.54-4,371.58

Finding the Fourth Proportional to 7,490.68, 11,232.54 and 4,371.58

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Solution

The fourth proportional to 7,490.68, 11,232.54 and 4,371.58 is: 6,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.68 : 11,232.54 = 4,371.58 : x
  2. Step 2: Convert to fraction form
    7,490.68/11,232.54 = 4,371.58/x
  3. Step 3: Cross multiply
    7,490.68x = 11,232.54 × 4,371.58
  4. Step 4: Simplify right side
    7,490.68x = 49,103,961.25
  5. Step 5: Solve for x
    x = 49,103,961.25/7,490.68
  6. Step 6: Final answer
    x = 6,555.34

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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.