Home / 7,990.33-11,027.28-4,405.92

Finding the Fourth Proportional to 7,990.33, 11,027.28 and 4,405.92

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Solution

The fourth proportional to 7,990.33, 11,027.28 and 4,405.92 is: 6,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.33 : 11,027.28 = 4,405.92 : x
  2. Step 2: Convert to fraction form
    7,990.33/11,027.28 = 4,405.92/x
  3. Step 3: Cross multiply
    7,990.33x = 11,027.28 × 4,405.92
  4. Step 4: Simplify right side
    7,990.33x = 48,585,313.50
  5. Step 5: Solve for x
    x = 48,585,313.50/7,990.33
  6. Step 6: Final answer
    x = 6,080.51

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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.