Home / 8,706.03-13,056.62-2,782.91

Finding the Fourth Proportional to 8,706.03, 13,056.62 and 2,782.91

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Solution

The fourth proportional to 8,706.03, 13,056.62 and 2,782.91 is: 4,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.03 : 13,056.62 = 2,782.91 : x
  2. Step 2: Convert to fraction form
    8,706.03/13,056.62 = 2,782.91/x
  3. Step 3: Cross multiply
    8,706.03x = 13,056.62 × 2,782.91
  4. Step 4: Simplify right side
    8,706.03x = 36,335,319.17
  5. Step 5: Solve for x
    x = 36,335,319.17/8,706.03
  6. Step 6: Final answer
    x = 4,173.58

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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.