Home / 7,487.29-11,232.21-3,102.35

Finding the Fourth Proportional to 7,487.29, 11,232.21 and 3,102.35

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Solution

The fourth proportional to 7,487.29, 11,232.21 and 3,102.35 is: 4,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.29 : 11,232.21 = 3,102.35 : x
  2. Step 2: Convert to fraction form
    7,487.29/11,232.21 = 3,102.35/x
  3. Step 3: Cross multiply
    7,487.29x = 11,232.21 × 3,102.35
  4. Step 4: Simplify right side
    7,487.29x = 34,846,246.69
  5. Step 5: Solve for x
    x = 34,846,246.69/7,487.29
  6. Step 6: Final answer
    x = 4,654.05

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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.