Home / 7,869.20-10,860.26-4,512.33

Finding the Fourth Proportional to 7,869.20, 10,860.26 and 4,512.33

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Solution

The fourth proportional to 7,869.20, 10,860.26 and 4,512.33 is: 6,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.20 : 10,860.26 = 4,512.33 : x
  2. Step 2: Convert to fraction form
    7,869.20/10,860.26 = 4,512.33/x
  3. Step 3: Cross multiply
    7,869.20x = 10,860.26 × 4,512.33
  4. Step 4: Simplify right side
    7,869.20x = 49,005,054.44
  5. Step 5: Solve for x
    x = 49,005,054.44/7,869.20
  6. Step 6: Final answer
    x = 6,227.45

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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.