Home / 7,245.47-9,998.79-4,261.43

Finding the Fourth Proportional to 7,245.47, 9,998.79 and 4,261.43

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Solution

The fourth proportional to 7,245.47, 9,998.79 and 4,261.43 is: 5,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.47 : 9,998.79 = 4,261.43 : x
  2. Step 2: Convert to fraction form
    7,245.47/9,998.79 = 4,261.43/x
  3. Step 3: Cross multiply
    7,245.47x = 9,998.79 × 4,261.43
  4. Step 4: Simplify right side
    7,245.47x = 42,609,143.67
  5. Step 5: Solve for x
    x = 42,609,143.67/7,245.47
  6. Step 6: Final answer
    x = 5,880.80

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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.