Home / 7,534.55-11,291.26-6,418.15

Finding the Fourth Proportional to 7,534.55, 11,291.26 and 6,418.15

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Solution

The fourth proportional to 7,534.55, 11,291.26 and 6,418.15 is: 9,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.55 : 11,291.26 = 6,418.15 : x
  2. Step 2: Convert to fraction form
    7,534.55/11,291.26 = 6,418.15/x
  3. Step 3: Cross multiply
    7,534.55x = 11,291.26 × 6,418.15
  4. Step 4: Simplify right side
    7,534.55x = 72,469,000.37
  5. Step 5: Solve for x
    x = 72,469,000.37/7,534.55
  6. Step 6: Final answer
    x = 9,618.23

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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.