Home / 7,422.72-10,243.44-4,629.84

Finding the Fourth Proportional to 7,422.72, 10,243.44 and 4,629.84

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Solution

The fourth proportional to 7,422.72, 10,243.44 and 4,629.84 is: 6,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.72 : 10,243.44 = 4,629.84 : x
  2. Step 2: Convert to fraction form
    7,422.72/10,243.44 = 4,629.84/x
  3. Step 3: Cross multiply
    7,422.72x = 10,243.44 × 4,629.84
  4. Step 4: Simplify right side
    7,422.72x = 47,425,488.25
  5. Step 5: Solve for x
    x = 47,425,488.25/7,422.72
  6. Step 6: Final answer
    x = 6,389.23

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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.