Home / 7,427.46-11,143.68-2,430.06

Finding the Fourth Proportional to 7,427.46, 11,143.68 and 2,430.06

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Solution

The fourth proportional to 7,427.46, 11,143.68 and 2,430.06 is: 3,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.46 : 11,143.68 = 2,430.06 : x
  2. Step 2: Convert to fraction form
    7,427.46/11,143.68 = 2,430.06/x
  3. Step 3: Cross multiply
    7,427.46x = 11,143.68 × 2,430.06
  4. Step 4: Simplify right side
    7,427.46x = 27,079,798.87
  5. Step 5: Solve for x
    x = 27,079,798.87/7,427.46
  6. Step 6: Final answer
    x = 3,645.90

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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.