Home / 8,782.37-13,173.40-2,208.57

Finding the Fourth Proportional to 8,782.37, 13,173.40 and 2,208.57

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Solution

The fourth proportional to 8,782.37, 13,173.40 and 2,208.57 is: 3,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.37 : 13,173.40 = 2,208.57 : x
  2. Step 2: Convert to fraction form
    8,782.37/13,173.40 = 2,208.57/x
  3. Step 3: Cross multiply
    8,782.37x = 13,173.40 × 2,208.57
  4. Step 4: Simplify right side
    8,782.37x = 29,094,376.04
  5. Step 5: Solve for x
    x = 29,094,376.04/8,782.37
  6. Step 6: Final answer
    x = 3,312.82

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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.