Home / 7,422.62-10,244.34-4,235.90

Finding the Fourth Proportional to 7,422.62, 10,244.34 and 4,235.90

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Solution

The fourth proportional to 7,422.62, 10,244.34 and 4,235.90 is: 5,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.62 : 10,244.34 = 4,235.90 : x
  2. Step 2: Convert to fraction form
    7,422.62/10,244.34 = 4,235.90/x
  3. Step 3: Cross multiply
    7,422.62x = 10,244.34 × 4,235.90
  4. Step 4: Simplify right side
    7,422.62x = 43,393,999.81
  5. Step 5: Solve for x
    x = 43,393,999.81/7,422.62
  6. Step 6: Final answer
    x = 5,846.18

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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.