Home / 7,343.07-11,021.90-5,717.40

Finding the Fourth Proportional to 7,343.07, 11,021.90 and 5,717.40

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Solution

The fourth proportional to 7,343.07, 11,021.90 and 5,717.40 is: 8,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.07 : 11,021.90 = 5,717.40 : x
  2. Step 2: Convert to fraction form
    7,343.07/11,021.90 = 5,717.40/x
  3. Step 3: Cross multiply
    7,343.07x = 11,021.90 × 5,717.40
  4. Step 4: Simplify right side
    7,343.07x = 63,016,611.06
  5. Step 5: Solve for x
    x = 63,016,611.06/7,343.07
  6. Step 6: Final answer
    x = 8,581.78

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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.