Home / 7,244.90-10,855.98-4,321.58

Finding the Fourth Proportional to 7,244.90, 10,855.98 and 4,321.58

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Solution

The fourth proportional to 7,244.90, 10,855.98 and 4,321.58 is: 6,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.90 : 10,855.98 = 4,321.58 : x
  2. Step 2: Convert to fraction form
    7,244.90/10,855.98 = 4,321.58/x
  3. Step 3: Cross multiply
    7,244.90x = 10,855.98 × 4,321.58
  4. Step 4: Simplify right side
    7,244.90x = 46,914,986.05
  5. Step 5: Solve for x
    x = 46,914,986.05/7,244.90
  6. Step 6: Final answer
    x = 6,475.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.