Home / 7,237.63-10,856.48-3,540.11

Finding the Fourth Proportional to 7,237.63, 10,856.48 and 3,540.11

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Solution

The fourth proportional to 7,237.63, 10,856.48 and 3,540.11 is: 5,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.63 : 10,856.48 = 3,540.11 : x
  2. Step 2: Convert to fraction form
    7,237.63/10,856.48 = 3,540.11/x
  3. Step 3: Cross multiply
    7,237.63x = 10,856.48 × 3,540.11
  4. Step 4: Simplify right side
    7,237.63x = 38,433,142.85
  5. Step 5: Solve for x
    x = 38,433,142.85/7,237.63
  6. Step 6: Final answer
    x = 5,310.19

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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.