Home / 7,054.09-10,581.35-2,123.77

Finding the Fourth Proportional to 7,054.09, 10,581.35 and 2,123.77

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Solution

The fourth proportional to 7,054.09, 10,581.35 and 2,123.77 is: 3,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.09 : 10,581.35 = 2,123.77 : x
  2. Step 2: Convert to fraction form
    7,054.09/10,581.35 = 2,123.77/x
  3. Step 3: Cross multiply
    7,054.09x = 10,581.35 × 2,123.77
  4. Step 4: Simplify right side
    7,054.09x = 22,472,353.69
  5. Step 5: Solve for x
    x = 22,472,353.69/7,054.09
  6. Step 6: Final answer
    x = 3,185.72

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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.