Home / 7,990.40-11,027.10-4,453.52

Finding the Fourth Proportional to 7,990.40, 11,027.10 and 4,453.52

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Solution

The fourth proportional to 7,990.40, 11,027.10 and 4,453.52 is: 6,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.40 : 11,027.10 = 4,453.52 : x
  2. Step 2: Convert to fraction form
    7,990.40/11,027.10 = 4,453.52/x
  3. Step 3: Cross multiply
    7,990.40x = 11,027.10 × 4,453.52
  4. Step 4: Simplify right side
    7,990.40x = 49,109,410.39
  5. Step 5: Solve for x
    x = 49,109,410.39/7,990.40
  6. Step 6: Final answer
    x = 6,146.05

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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.