Home / 5,127.39-7,681.77-3,564.09

Finding the Fourth Proportional to 5,127.39, 7,681.77 and 3,564.09

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Solution

The fourth proportional to 5,127.39, 7,681.77 and 3,564.09 is: 5,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.39 : 7,681.77 = 3,564.09 : x
  2. Step 2: Convert to fraction form
    5,127.39/7,681.77 = 3,564.09/x
  3. Step 3: Cross multiply
    5,127.39x = 7,681.77 × 3,564.09
  4. Step 4: Simplify right side
    5,127.39x = 27,378,519.64
  5. Step 5: Solve for x
    x = 27,378,519.64/5,127.39
  6. Step 6: Final answer
    x = 5,339.66

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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.