Home / 7,346.38-11,024.20-3,129.62

Finding the Fourth Proportional to 7,346.38, 11,024.20 and 3,129.62

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Solution

The fourth proportional to 7,346.38, 11,024.20 and 3,129.62 is: 4,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.38 : 11,024.20 = 3,129.62 : x
  2. Step 2: Convert to fraction form
    7,346.38/11,024.20 = 3,129.62/x
  3. Step 3: Cross multiply
    7,346.38x = 11,024.20 × 3,129.62
  4. Step 4: Simplify right side
    7,346.38x = 34,501,548.98
  5. Step 5: Solve for x
    x = 34,501,548.98/7,346.38
  6. Step 6: Final answer
    x = 4,696.40

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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.