Home / 7,528.07-10,388.46-4,171.03

Finding the Fourth Proportional to 7,528.07, 10,388.46 and 4,171.03

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Solution

The fourth proportional to 7,528.07, 10,388.46 and 4,171.03 is: 5,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.07 : 10,388.46 = 4,171.03 : x
  2. Step 2: Convert to fraction form
    7,528.07/10,388.46 = 4,171.03/x
  3. Step 3: Cross multiply
    7,528.07x = 10,388.46 × 4,171.03
  4. Step 4: Simplify right side
    7,528.07x = 43,330,578.31
  5. Step 5: Solve for x
    x = 43,330,578.31/7,528.07
  6. Step 6: Final answer
    x = 5,755.87

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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.