Home / 8,704.36-12,002.92-5,166.89

Finding the Fourth Proportional to 8,704.36, 12,002.92 and 5,166.89

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Solution

The fourth proportional to 8,704.36, 12,002.92 and 5,166.89 is: 7,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.36 : 12,002.92 = 5,166.89 : x
  2. Step 2: Convert to fraction form
    8,704.36/12,002.92 = 5,166.89/x
  3. Step 3: Cross multiply
    8,704.36x = 12,002.92 × 5,166.89
  4. Step 4: Simplify right side
    8,704.36x = 62,017,767.32
  5. Step 5: Solve for x
    x = 62,017,767.32/8,704.36
  6. Step 6: Final answer
    x = 7,124.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.