Home / 7,490.42-11,228.66-3,328.24

Finding the Fourth Proportional to 7,490.42, 11,228.66 and 3,328.24

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Solution

The fourth proportional to 7,490.42, 11,228.66 and 3,328.24 is: 4,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.42 : 11,228.66 = 3,328.24 : x
  2. Step 2: Convert to fraction form
    7,490.42/11,228.66 = 3,328.24/x
  3. Step 3: Cross multiply
    7,490.42x = 11,228.66 × 3,328.24
  4. Step 4: Simplify right side
    7,490.42x = 37,371,675.36
  5. Step 5: Solve for x
    x = 37,371,675.36/7,490.42
  6. Step 6: Final answer
    x = 4,989.26

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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.