Home / 7,409.68-11,100.54-5,758.19

Finding the Fourth Proportional to 7,409.68, 11,100.54 and 5,758.19

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Solution

The fourth proportional to 7,409.68, 11,100.54 and 5,758.19 is: 8,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.68 : 11,100.54 = 5,758.19 : x
  2. Step 2: Convert to fraction form
    7,409.68/11,100.54 = 5,758.19/x
  3. Step 3: Cross multiply
    7,409.68x = 11,100.54 × 5,758.19
  4. Step 4: Simplify right side
    7,409.68x = 63,919,026.14
  5. Step 5: Solve for x
    x = 63,919,026.14/7,409.68
  6. Step 6: Final answer
    x = 8,626.42

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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.