Home / 7,399.58-10,201.47-7,170.26

Finding the Fourth Proportional to 7,399.58, 10,201.47 and 7,170.26

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Solution

The fourth proportional to 7,399.58, 10,201.47 and 7,170.26 is: 9,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.58 : 10,201.47 = 7,170.26 : x
  2. Step 2: Convert to fraction form
    7,399.58/10,201.47 = 7,170.26/x
  3. Step 3: Cross multiply
    7,399.58x = 10,201.47 × 7,170.26
  4. Step 4: Simplify right side
    7,399.58x = 73,147,192.28
  5. Step 5: Solve for x
    x = 73,147,192.28/7,399.58
  6. Step 6: Final answer
    x = 9,885.32

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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.