Home / 7,448.33-10,278.05-4,260.98

Finding the Fourth Proportional to 7,448.33, 10,278.05 and 4,260.98

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Solution

The fourth proportional to 7,448.33, 10,278.05 and 4,260.98 is: 5,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.33 : 10,278.05 = 4,260.98 : x
  2. Step 2: Convert to fraction form
    7,448.33/10,278.05 = 4,260.98/x
  3. Step 3: Cross multiply
    7,448.33x = 10,278.05 × 4,260.98
  4. Step 4: Simplify right side
    7,448.33x = 43,794,492.79
  5. Step 5: Solve for x
    x = 43,794,492.79/7,448.33
  6. Step 6: Final answer
    x = 5,879.78

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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.