Home / 8,179.37-12,252.98-5,397.55

Finding the Fourth Proportional to 8,179.37, 12,252.98 and 5,397.55

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Solution

The fourth proportional to 8,179.37, 12,252.98 and 5,397.55 is: 8,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.37 : 12,252.98 = 5,397.55 : x
  2. Step 2: Convert to fraction form
    8,179.37/12,252.98 = 5,397.55/x
  3. Step 3: Cross multiply
    8,179.37x = 12,252.98 × 5,397.55
  4. Step 4: Simplify right side
    8,179.37x = 66,136,055.06
  5. Step 5: Solve for x
    x = 66,136,055.06/8,179.37
  6. Step 6: Final answer
    x = 8,085.72

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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.