Home / 7,990.12-11,026.06-4,453.16

Finding the Fourth Proportional to 7,990.12, 11,026.06 and 4,453.16

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Solution

The fourth proportional to 7,990.12, 11,026.06 and 4,453.16 is: 6,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.12 : 11,026.06 = 4,453.16 : x
  2. Step 2: Convert to fraction form
    7,990.12/11,026.06 = 4,453.16/x
  3. Step 3: Cross multiply
    7,990.12x = 11,026.06 × 4,453.16
  4. Step 4: Simplify right side
    7,990.12x = 49,100,809.35
  5. Step 5: Solve for x
    x = 49,100,809.35/7,990.12
  6. Step 6: Final answer
    x = 6,145.19

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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.