Home / 8,783.07-13,166.15-5,081.91

Finding the Fourth Proportional to 8,783.07, 13,166.15 and 5,081.91

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Solution

The fourth proportional to 8,783.07, 13,166.15 and 5,081.91 is: 7,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.07 : 13,166.15 = 5,081.91 : x
  2. Step 2: Convert to fraction form
    8,783.07/13,166.15 = 5,081.91/x
  3. Step 3: Cross multiply
    8,783.07x = 13,166.15 × 5,081.91
  4. Step 4: Simplify right side
    8,783.07x = 66,909,163.94
  5. Step 5: Solve for x
    x = 66,909,163.94/8,783.07
  6. Step 6: Final answer
    x = 7,617.97

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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.