Home / 4,722.12-6,516.84-3,126

Finding the Fourth Proportional to 4,722.12, 6,516.84 and 3,126

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Solution

The fourth proportional to 4,722.12, 6,516.84 and 3,126 is: 4,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.12 : 6,516.84 = 3,126 : x
  2. Step 2: Convert to fraction form
    4,722.12/6,516.84 = 3,126/x
  3. Step 3: Cross multiply
    4,722.12x = 6,516.84 × 3,126
  4. Step 4: Simplify right side
    4,722.12x = 20,371,641.84
  5. Step 5: Solve for x
    x = 20,371,641.84/4,722.12
  6. Step 6: Final answer
    x = 4,314.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.