Home / 8,790.39-13,176.47-5,495.92

Finding the Fourth Proportional to 8,790.39, 13,176.47 and 5,495.92

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Solution

The fourth proportional to 8,790.39, 13,176.47 and 5,495.92 is: 8,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.39 : 13,176.47 = 5,495.92 : x
  2. Step 2: Convert to fraction form
    8,790.39/13,176.47 = 5,495.92/x
  3. Step 3: Cross multiply
    8,790.39x = 13,176.47 × 5,495.92
  4. Step 4: Simplify right side
    8,790.39x = 72,416,805.80
  5. Step 5: Solve for x
    x = 72,416,805.80/8,790.39
  6. Step 6: Final answer
    x = 8,238.18

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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.