Home / 9,722.15-14,583.83-3,878.61

Finding the Fourth Proportional to 9,722.15, 14,583.83 and 3,878.61

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Solution

The fourth proportional to 9,722.15, 14,583.83 and 3,878.61 is: 5,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.15 : 14,583.83 = 3,878.61 : x
  2. Step 2: Convert to fraction form
    9,722.15/14,583.83 = 3,878.61/x
  3. Step 3: Cross multiply
    9,722.15x = 14,583.83 × 3,878.61
  4. Step 4: Simplify right side
    9,722.15x = 56,564,988.88
  5. Step 5: Solve for x
    x = 56,564,988.88/9,722.15
  6. Step 6: Final answer
    x = 5,818.16

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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.