Home / 7,422.90-10,240.40-4,277.22

Finding the Fourth Proportional to 7,422.90, 10,240.40 and 4,277.22

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Solution

The fourth proportional to 7,422.90, 10,240.40 and 4,277.22 is: 5,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.90 : 10,240.40 = 4,277.22 : x
  2. Step 2: Convert to fraction form
    7,422.90/10,240.40 = 4,277.22/x
  3. Step 3: Cross multiply
    7,422.90x = 10,240.40 × 4,277.22
  4. Step 4: Simplify right side
    7,422.90x = 43,800,443.69
  5. Step 5: Solve for x
    x = 43,800,443.69/7,422.90
  6. Step 6: Final answer
    x = 5,900.72

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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.