Home / 8,124.02-12,186.04-2,929.90

Finding the Fourth Proportional to 8,124.02, 12,186.04 and 2,929.90

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Solution

The fourth proportional to 8,124.02, 12,186.04 and 2,929.90 is: 4,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.02 : 12,186.04 = 2,929.90 : x
  2. Step 2: Convert to fraction form
    8,124.02/12,186.04 = 2,929.90/x
  3. Step 3: Cross multiply
    8,124.02x = 12,186.04 × 2,929.90
  4. Step 4: Simplify right side
    8,124.02x = 35,703,840.81
  5. Step 5: Solve for x
    x = 35,703,840.81/8,124.02
  6. Step 6: Final answer
    x = 4,394.85

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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.