Home / 4,068.61-6,102.91-2,124.61

Finding the Fourth Proportional to 4,068.61, 6,102.91 and 2,124.61

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Solution

The fourth proportional to 4,068.61, 6,102.91 and 2,124.61 is: 3,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.61 : 6,102.91 = 2,124.61 : x
  2. Step 2: Convert to fraction form
    4,068.61/6,102.91 = 2,124.61/x
  3. Step 3: Cross multiply
    4,068.61x = 6,102.91 × 2,124.61
  4. Step 4: Simplify right side
    4,068.61x = 12,966,303.62
  5. Step 5: Solve for x
    x = 12,966,303.62/4,068.61
  6. Step 6: Final answer
    x = 3,186.91

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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.