Home / 7,427.46-11,090.27-6,331.26

Finding the Fourth Proportional to 7,427.46, 11,090.27 and 6,331.26

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Solution

The fourth proportional to 7,427.46, 11,090.27 and 6,331.26 is: 9,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.46 : 11,090.27 = 6,331.26 : x
  2. Step 2: Convert to fraction form
    7,427.46/11,090.27 = 6,331.26/x
  3. Step 3: Cross multiply
    7,427.46x = 11,090.27 × 6,331.26
  4. Step 4: Simplify right side
    7,427.46x = 70,215,382.84
  5. Step 5: Solve for x
    x = 70,215,382.84/7,427.46
  6. Step 6: Final answer
    x = 9,453.49

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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.