Home / 8,124.41-12,186.62-2,930.29

Finding the Fourth Proportional to 8,124.41, 12,186.62 and 2,930.29

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Solution

The fourth proportional to 8,124.41, 12,186.62 and 2,930.29 is: 4,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.41 : 12,186.62 = 2,930.29 : x
  2. Step 2: Convert to fraction form
    8,124.41/12,186.62 = 2,930.29/x
  3. Step 3: Cross multiply
    8,124.41x = 12,186.62 × 2,930.29
  4. Step 4: Simplify right side
    8,124.41x = 35,710,330.72
  5. Step 5: Solve for x
    x = 35,710,330.72/8,124.41
  6. Step 6: Final answer
    x = 4,395.44

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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.