Home / 8,749.49-13,123.27-3,125.96

Finding the Fourth Proportional to 8,749.49, 13,123.27 and 3,125.96

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Solution

The fourth proportional to 8,749.49, 13,123.27 and 3,125.96 is: 4,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.49 : 13,123.27 = 3,125.96 : x
  2. Step 2: Convert to fraction form
    8,749.49/13,123.27 = 3,125.96/x
  3. Step 3: Cross multiply
    8,749.49x = 13,123.27 × 3,125.96
  4. Step 4: Simplify right side
    8,749.49x = 41,022,787.01
  5. Step 5: Solve for x
    x = 41,022,787.01/8,749.49
  6. Step 6: Final answer
    x = 4,688.59

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1.5x scale

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.