Home / 7,434.21-10,233.45-6,425.45

Finding the Fourth Proportional to 7,434.21, 10,233.45 and 6,425.45

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Solution

The fourth proportional to 7,434.21, 10,233.45 and 6,425.45 is: 8,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.21 : 10,233.45 = 6,425.45 : x
  2. Step 2: Convert to fraction form
    7,434.21/10,233.45 = 6,425.45/x
  3. Step 3: Cross multiply
    7,434.21x = 10,233.45 × 6,425.45
  4. Step 4: Simplify right side
    7,434.21x = 65,754,546.33
  5. Step 5: Solve for x
    x = 65,754,546.33/7,434.21
  6. Step 6: Final answer
    x = 8,844.87

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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.