Home / 8,139.96-11,232.96-4,604.28

Finding the Fourth Proportional to 8,139.96, 11,232.96 and 4,604.28

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Solution

The fourth proportional to 8,139.96, 11,232.96 and 4,604.28 is: 6,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.96 : 11,232.96 = 4,604.28 : x
  2. Step 2: Convert to fraction form
    8,139.96/11,232.96 = 4,604.28/x
  3. Step 3: Cross multiply
    8,139.96x = 11,232.96 × 4,604.28
  4. Step 4: Simplify right side
    8,139.96x = 51,719,693.07
  5. Step 5: Solve for x
    x = 51,719,693.07/8,139.96
  6. Step 6: Final answer
    x = 6,353.80

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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.