Home / 8,910.20-13,365.29-3,716.07

Finding the Fourth Proportional to 8,910.20, 13,365.29 and 3,716.07

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Solution

The fourth proportional to 8,910.20, 13,365.29 and 3,716.07 is: 5,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.20 : 13,365.29 = 3,716.07 : x
  2. Step 2: Convert to fraction form
    8,910.20/13,365.29 = 3,716.07/x
  3. Step 3: Cross multiply
    8,910.20x = 13,365.29 × 3,716.07
  4. Step 4: Simplify right side
    8,910.20x = 49,666,334.63
  5. Step 5: Solve for x
    x = 49,666,334.63/8,910.20
  6. Step 6: Final answer
    x = 5,574.10

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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.