Home / 7,078.98-10,617.09-6,727.75

Finding the Fourth Proportional to 7,078.98, 10,617.09 and 6,727.75

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Solution

The fourth proportional to 7,078.98, 10,617.09 and 6,727.75 is: 10,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.98 : 10,617.09 = 6,727.75 : x
  2. Step 2: Convert to fraction form
    7,078.98/10,617.09 = 6,727.75/x
  3. Step 3: Cross multiply
    7,078.98x = 10,617.09 × 6,727.75
  4. Step 4: Simplify right side
    7,078.98x = 71,429,127.25
  5. Step 5: Solve for x
    x = 71,429,127.25/7,078.98
  6. Step 6: Final answer
    x = 10,090.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.