Home / 7,412.46-11,123.06-2,735.76

Finding the Fourth Proportional to 7,412.46, 11,123.06 and 2,735.76

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Solution

The fourth proportional to 7,412.46, 11,123.06 and 2,735.76 is: 4,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.46 : 11,123.06 = 2,735.76 : x
  2. Step 2: Convert to fraction form
    7,412.46/11,123.06 = 2,735.76/x
  3. Step 3: Cross multiply
    7,412.46x = 11,123.06 × 2,735.76
  4. Step 4: Simplify right side
    7,412.46x = 30,430,008.95
  5. Step 5: Solve for x
    x = 30,430,008.95/7,412.46
  6. Step 6: Final answer
    x = 4,105.25

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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.