Home / 7,377.40-11,066.37-2,447.47

Finding the Fourth Proportional to 7,377.40, 11,066.37 and 2,447.47

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Solution

The fourth proportional to 7,377.40, 11,066.37 and 2,447.47 is: 3,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.40 : 11,066.37 = 2,447.47 : x
  2. Step 2: Convert to fraction form
    7,377.40/11,066.37 = 2,447.47/x
  3. Step 3: Cross multiply
    7,377.40x = 11,066.37 × 2,447.47
  4. Step 4: Simplify right side
    7,377.40x = 27,084,608.58
  5. Step 5: Solve for x
    x = 27,084,608.58/7,377.40
  6. Step 6: Final answer
    x = 3,671.29

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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.