Home / 7,403.38-11,105.06-1,931.38

Finding the Fourth Proportional to 7,403.38, 11,105.06 and 1,931.38

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Solution

The fourth proportional to 7,403.38, 11,105.06 and 1,931.38 is: 2,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.38 : 11,105.06 = 1,931.38 : x
  2. Step 2: Convert to fraction form
    7,403.38/11,105.06 = 1,931.38/x
  3. Step 3: Cross multiply
    7,403.38x = 11,105.06 × 1,931.38
  4. Step 4: Simplify right side
    7,403.38x = 21,448,090.78
  5. Step 5: Solve for x
    x = 21,448,090.78/7,403.38
  6. Step 6: Final answer
    x = 2,897.07

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Similar ratio
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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.