Home / 8,782.55-13,173.84-3,588.43

Finding the Fourth Proportional to 8,782.55, 13,173.84 and 3,588.43

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Solution

The fourth proportional to 8,782.55, 13,173.84 and 3,588.43 is: 5,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.55 : 13,173.84 = 3,588.43 : x
  2. Step 2: Convert to fraction form
    8,782.55/13,173.84 = 3,588.43/x
  3. Step 3: Cross multiply
    8,782.55x = 13,173.84 × 3,588.43
  4. Step 4: Simplify right side
    8,782.55x = 47,273,402.67
  5. Step 5: Solve for x
    x = 47,273,402.67/8,782.55
  6. Step 6: Final answer
    x = 5,382.65

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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.