Home / 7,112.09-10,670.90-2,951.06

Finding the Fourth Proportional to 7,112.09, 10,670.90 and 2,951.06

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Solution

The fourth proportional to 7,112.09, 10,670.90 and 2,951.06 is: 4,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.09 : 10,670.90 = 2,951.06 : x
  2. Step 2: Convert to fraction form
    7,112.09/10,670.90 = 2,951.06/x
  3. Step 3: Cross multiply
    7,112.09x = 10,670.90 × 2,951.06
  4. Step 4: Simplify right side
    7,112.09x = 31,490,398.04
  5. Step 5: Solve for x
    x = 31,490,398.04/7,112.09
  6. Step 6: Final answer
    x = 4,427.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.