Home / 7,377.60-11,064.72-2,112.51

Finding the Fourth Proportional to 7,377.60, 11,064.72 and 2,112.51

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Solution

The fourth proportional to 7,377.60, 11,064.72 and 2,112.51 is: 3,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.60 : 11,064.72 = 2,112.51 : x
  2. Step 2: Convert to fraction form
    7,377.60/11,064.72 = 2,112.51/x
  3. Step 3: Cross multiply
    7,377.60x = 11,064.72 × 2,112.51
  4. Step 4: Simplify right side
    7,377.60x = 23,374,348.75
  5. Step 5: Solve for x
    x = 23,374,348.75/7,377.60
  6. Step 6: Final answer
    x = 3,168.29

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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.