Home / 8,782.03-13,177.50-5,087.62

Finding the Fourth Proportional to 8,782.03, 13,177.50 and 5,087.62

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Solution

The fourth proportional to 8,782.03, 13,177.50 and 5,087.62 is: 7,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.03 : 13,177.50 = 5,087.62 : x
  2. Step 2: Convert to fraction form
    8,782.03/13,177.50 = 5,087.62/x
  3. Step 3: Cross multiply
    8,782.03x = 13,177.50 × 5,087.62
  4. Step 4: Simplify right side
    8,782.03x = 67,042,112.55
  5. Step 5: Solve for x
    x = 67,042,112.55/8,782.03
  6. Step 6: Final answer
    x = 7,634.01

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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.