Home / 8,124.02-12,186.12-2,929.94

Finding the Fourth Proportional to 8,124.02, 12,186.12 and 2,929.94

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Solution

The fourth proportional to 8,124.02, 12,186.12 and 2,929.94 is: 4,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.02 : 12,186.12 = 2,929.94 : x
  2. Step 2: Convert to fraction form
    8,124.02/12,186.12 = 2,929.94/x
  3. Step 3: Cross multiply
    8,124.02x = 12,186.12 × 2,929.94
  4. Step 4: Simplify right side
    8,124.02x = 35,704,600.43
  5. Step 5: Solve for x
    x = 35,704,600.43/8,124.02
  6. Step 6: Final answer
    x = 4,394.94

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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.