Home / 7,527.49-10,387.71-4,170.44

Finding the Fourth Proportional to 7,527.49, 10,387.71 and 4,170.44

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Solution

The fourth proportional to 7,527.49, 10,387.71 and 4,170.44 is: 5,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.49 : 10,387.71 = 4,170.44 : x
  2. Step 2: Convert to fraction form
    7,527.49/10,387.71 = 4,170.44/x
  3. Step 3: Cross multiply
    7,527.49x = 10,387.71 × 4,170.44
  4. Step 4: Simplify right side
    7,527.49x = 43,321,347.26
  5. Step 5: Solve for x
    x = 43,321,347.26/7,527.49
  6. Step 6: Final answer
    x = 5,755.09

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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.