Home / 7,237.88-10,856.85-3,540.36

Finding the Fourth Proportional to 7,237.88, 10,856.85 and 3,540.36

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Solution

The fourth proportional to 7,237.88, 10,856.85 and 3,540.36 is: 5,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.88 : 10,856.85 = 3,540.36 : x
  2. Step 2: Convert to fraction form
    7,237.88/10,856.85 = 3,540.36/x
  3. Step 3: Cross multiply
    7,237.88x = 10,856.85 × 3,540.36
  4. Step 4: Simplify right side
    7,237.88x = 38,437,157.47
  5. Step 5: Solve for x
    x = 38,437,157.47/7,237.88
  6. Step 6: Final answer
    x = 5,310.55

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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.