Home / 8,931.36-13,397.64-3,383.64

Finding the Fourth Proportional to 8,931.36, 13,397.64 and 3,383.64

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Solution

The fourth proportional to 8,931.36, 13,397.64 and 3,383.64 is: 5,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.36 : 13,397.64 = 3,383.64 : x
  2. Step 2: Convert to fraction form
    8,931.36/13,397.64 = 3,383.64/x
  3. Step 3: Cross multiply
    8,931.36x = 13,397.64 × 3,383.64
  4. Step 4: Simplify right side
    8,931.36x = 45,332,790.61
  5. Step 5: Solve for x
    x = 45,332,790.61/8,931.36
  6. Step 6: Final answer
    x = 5,075.69

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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.