Home / 7,457.88-10,286.67-6,331.05

Finding the Fourth Proportional to 7,457.88, 10,286.67 and 6,331.05

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Solution

The fourth proportional to 7,457.88, 10,286.67 and 6,331.05 is: 8,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.88 : 10,286.67 = 6,331.05 : x
  2. Step 2: Convert to fraction form
    7,457.88/10,286.67 = 6,331.05/x
  3. Step 3: Cross multiply
    7,457.88x = 10,286.67 × 6,331.05
  4. Step 4: Simplify right side
    7,457.88x = 65,125,422.10
  5. Step 5: Solve for x
    x = 65,125,422.10/7,457.88
  6. Step 6: Final answer
    x = 8,732.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.