Home / 8,934.32-13,403.28-3,090.80

Finding the Fourth Proportional to 8,934.32, 13,403.28 and 3,090.80

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Solution

The fourth proportional to 8,934.32, 13,403.28 and 3,090.80 is: 4,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.32 : 13,403.28 = 3,090.80 : x
  2. Step 2: Convert to fraction form
    8,934.32/13,403.28 = 3,090.80/x
  3. Step 3: Cross multiply
    8,934.32x = 13,403.28 × 3,090.80
  4. Step 4: Simplify right side
    8,934.32x = 41,426,857.82
  5. Step 5: Solve for x
    x = 41,426,857.82/8,934.32
  6. Step 6: Final answer
    x = 4,636.82

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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.