Home / 7,834.32-11,730.42-4,128.84

Finding the Fourth Proportional to 7,834.32, 11,730.42 and 4,128.84

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Solution

The fourth proportional to 7,834.32, 11,730.42 and 4,128.84 is: 6,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.32 : 11,730.42 = 4,128.84 : x
  2. Step 2: Convert to fraction form
    7,834.32/11,730.42 = 4,128.84/x
  3. Step 3: Cross multiply
    7,834.32x = 11,730.42 × 4,128.84
  4. Step 4: Simplify right side
    7,834.32x = 48,433,027.31
  5. Step 5: Solve for x
    x = 48,433,027.31/7,834.32
  6. Step 6: Final answer
    x = 6,182.16

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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.