Home / 8,836.47-13,249.70-2,911.77

Finding the Fourth Proportional to 8,836.47, 13,249.70 and 2,911.77

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Solution

The fourth proportional to 8,836.47, 13,249.70 and 2,911.77 is: 4,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.47 : 13,249.70 = 2,911.77 : x
  2. Step 2: Convert to fraction form
    8,836.47/13,249.70 = 2,911.77/x
  3. Step 3: Cross multiply
    8,836.47x = 13,249.70 × 2,911.77
  4. Step 4: Simplify right side
    8,836.47x = 38,580,075.33
  5. Step 5: Solve for x
    x = 38,580,075.33/8,836.47
  6. Step 6: Final answer
    x = 4,366.01

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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.