Home / 5,491.32-8,236.95-1,331.33

Finding the Fourth Proportional to 5,491.32, 8,236.95 and 1,331.33

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Solution

The fourth proportional to 5,491.32, 8,236.95 and 1,331.33 is: 1,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.32 : 8,236.95 = 1,331.33 : x
  2. Step 2: Convert to fraction form
    5,491.32/8,236.95 = 1,331.33/x
  3. Step 3: Cross multiply
    5,491.32x = 8,236.95 × 1,331.33
  4. Step 4: Simplify right side
    5,491.32x = 10,966,057.46
  5. Step 5: Solve for x
    x = 10,966,057.46/5,491.32
  6. Step 6: Final answer
    x = 1,996.98

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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.