Home / 7,990.18-11,026.44-4,454.08

Finding the Fourth Proportional to 7,990.18, 11,026.44 and 4,454.08

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Solution

The fourth proportional to 7,990.18, 11,026.44 and 4,454.08 is: 6,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.18 : 11,026.44 = 4,454.08 : x
  2. Step 2: Convert to fraction form
    7,990.18/11,026.44 = 4,454.08/x
  3. Step 3: Cross multiply
    7,990.18x = 11,026.44 × 4,454.08
  4. Step 4: Simplify right side
    7,990.18x = 49,112,645.88
  5. Step 5: Solve for x
    x = 49,112,645.88/7,990.18
  6. Step 6: Final answer
    x = 6,146.63

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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.