Home / 8,316.27-11,471.36-5,664.87

Finding the Fourth Proportional to 8,316.27, 11,471.36 and 5,664.87

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Solution

The fourth proportional to 8,316.27, 11,471.36 and 5,664.87 is: 7,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.27 : 11,471.36 = 5,664.87 : x
  2. Step 2: Convert to fraction form
    8,316.27/11,471.36 = 5,664.87/x
  3. Step 3: Cross multiply
    8,316.27x = 11,471.36 × 5,664.87
  4. Step 4: Simplify right side
    8,316.27x = 64,983,734.80
  5. Step 5: Solve for x
    x = 64,983,734.80/8,316.27
  6. Step 6: Final answer
    x = 7,814.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.