Home / 8,734.32-13,101.78-2,890.77

Finding the Fourth Proportional to 8,734.32, 13,101.78 and 2,890.77

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Solution

The fourth proportional to 8,734.32, 13,101.78 and 2,890.77 is: 4,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.32 : 13,101.78 = 2,890.77 : x
  2. Step 2: Convert to fraction form
    8,734.32/13,101.78 = 2,890.77/x
  3. Step 3: Cross multiply
    8,734.32x = 13,101.78 × 2,890.77
  4. Step 4: Simplify right side
    8,734.32x = 37,874,232.57
  5. Step 5: Solve for x
    x = 37,874,232.57/8,734.32
  6. Step 6: Final answer
    x = 4,336.25

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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.