Home / 7,918.25-10,977.14-7,496.91

Finding the Fourth Proportional to 7,918.25, 10,977.14 and 7,496.91

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Solution

The fourth proportional to 7,918.25, 10,977.14 and 7,496.91 is: 10,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.25 : 10,977.14 = 7,496.91 : x
  2. Step 2: Convert to fraction form
    7,918.25/10,977.14 = 7,496.91/x
  3. Step 3: Cross multiply
    7,918.25x = 10,977.14 × 7,496.91
  4. Step 4: Simplify right side
    7,918.25x = 82,294,593.15
  5. Step 5: Solve for x
    x = 82,294,593.15/7,918.25
  6. Step 6: Final answer
    x = 10,393.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.