Home / 7,869.83-10,860.41-4,512.77

Finding the Fourth Proportional to 7,869.83, 10,860.41 and 4,512.77

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Solution

The fourth proportional to 7,869.83, 10,860.41 and 4,512.77 is: 6,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.83 : 10,860.41 = 4,512.77 : x
  2. Step 2: Convert to fraction form
    7,869.83/10,860.41 = 4,512.77/x
  3. Step 3: Cross multiply
    7,869.83x = 10,860.41 × 4,512.77
  4. Step 4: Simplify right side
    7,869.83x = 49,010,509.87
  5. Step 5: Solve for x
    x = 49,010,509.87/7,869.83
  6. Step 6: Final answer
    x = 6,227.65

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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.