Home / 5,316.24-8,005.24-3,939.33

Finding the Fourth Proportional to 5,316.24, 8,005.24 and 3,939.33

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Solution

The fourth proportional to 5,316.24, 8,005.24 and 3,939.33 is: 5,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.24 : 8,005.24 = 3,939.33 : x
  2. Step 2: Convert to fraction form
    5,316.24/8,005.24 = 3,939.33/x
  3. Step 3: Cross multiply
    5,316.24x = 8,005.24 × 3,939.33
  4. Step 4: Simplify right side
    5,316.24x = 31,535,282.09
  5. Step 5: Solve for x
    x = 31,535,282.09/5,316.24
  6. Step 6: Final answer
    x = 5,931.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.