Home / 8,961.86-12,367.04-4,928.65

Finding the Fourth Proportional to 8,961.86, 12,367.04 and 4,928.65

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Solution

The fourth proportional to 8,961.86, 12,367.04 and 4,928.65 is: 6,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.86 : 12,367.04 = 4,928.65 : x
  2. Step 2: Convert to fraction form
    8,961.86/12,367.04 = 4,928.65/x
  3. Step 3: Cross multiply
    8,961.86x = 12,367.04 × 4,928.65
  4. Step 4: Simplify right side
    8,961.86x = 60,952,756.14
  5. Step 5: Solve for x
    x = 60,952,756.14/8,961.86
  6. Step 6: Final answer
    x = 6,801.35

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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.