Home / 7,409.25-11,114.28-2,215.53

Finding the Fourth Proportional to 7,409.25, 11,114.28 and 2,215.53

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Solution

The fourth proportional to 7,409.25, 11,114.28 and 2,215.53 is: 3,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.25 : 11,114.28 = 2,215.53 : x
  2. Step 2: Convert to fraction form
    7,409.25/11,114.28 = 2,215.53/x
  3. Step 3: Cross multiply
    7,409.25x = 11,114.28 × 2,215.53
  4. Step 4: Simplify right side
    7,409.25x = 24,624,020.77
  5. Step 5: Solve for x
    x = 24,624,020.77/7,409.25
  6. Step 6: Final answer
    x = 3,323.42

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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.