Home / 7,540.37-11,259.78-6,156.41

Finding the Fourth Proportional to 7,540.37, 11,259.78 and 6,156.41

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Solution

The fourth proportional to 7,540.37, 11,259.78 and 6,156.41 is: 9,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.37 : 11,259.78 = 6,156.41 : x
  2. Step 2: Convert to fraction form
    7,540.37/11,259.78 = 6,156.41/x
  3. Step 3: Cross multiply
    7,540.37x = 11,259.78 × 6,156.41
  4. Step 4: Simplify right side
    7,540.37x = 69,319,742.80
  5. Step 5: Solve for x
    x = 69,319,742.80/7,540.37
  6. Step 6: Final answer
    x = 9,193.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.