Home / 7,422.23-10,242.90-4,065.35

Finding the Fourth Proportional to 7,422.23, 10,242.90 and 4,065.35

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Solution

The fourth proportional to 7,422.23, 10,242.90 and 4,065.35 is: 5,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.23 : 10,242.90 = 4,065.35 : x
  2. Step 2: Convert to fraction form
    7,422.23/10,242.90 = 4,065.35/x
  3. Step 3: Cross multiply
    7,422.23x = 10,242.90 × 4,065.35
  4. Step 4: Simplify right side
    7,422.23x = 41,640,922.30
  5. Step 5: Solve for x
    x = 41,640,922.30/7,422.23
  6. Step 6: Final answer
    x = 5,610.30

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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.