Home / 7,422.48-10,243.90-4,438.28

Finding the Fourth Proportional to 7,422.48, 10,243.90 and 4,438.28

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Solution

The fourth proportional to 7,422.48, 10,243.90 and 4,438.28 is: 6,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.48 : 10,243.90 = 4,438.28 : x
  2. Step 2: Convert to fraction form
    7,422.48/10,243.90 = 4,438.28/x
  3. Step 3: Cross multiply
    7,422.48x = 10,243.90 × 4,438.28
  4. Step 4: Simplify right side
    7,422.48x = 45,465,296.49
  5. Step 5: Solve for x
    x = 45,465,296.49/7,422.48
  6. Step 6: Final answer
    x = 6,125.35

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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.