Home / 8,255.08-12,366.42-4,785.04

Finding the Fourth Proportional to 8,255.08, 12,366.42 and 4,785.04

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Solution

The fourth proportional to 8,255.08, 12,366.42 and 4,785.04 is: 7,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.08 : 12,366.42 = 4,785.04 : x
  2. Step 2: Convert to fraction form
    8,255.08/12,366.42 = 4,785.04/x
  3. Step 3: Cross multiply
    8,255.08x = 12,366.42 × 4,785.04
  4. Step 4: Simplify right side
    8,255.08x = 59,173,814.36
  5. Step 5: Solve for x
    x = 59,173,814.36/8,255.08
  6. Step 6: Final answer
    x = 7,168.17

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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.