Home / 5,207.64-7,186.77-3,216.66

Finding the Fourth Proportional to 5,207.64, 7,186.77 and 3,216.66

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Solution

The fourth proportional to 5,207.64, 7,186.77 and 3,216.66 is: 4,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.64 : 7,186.77 = 3,216.66 : x
  2. Step 2: Convert to fraction form
    5,207.64/7,186.77 = 3,216.66/x
  3. Step 3: Cross multiply
    5,207.64x = 7,186.77 × 3,216.66
  4. Step 4: Simplify right side
    5,207.64x = 23,117,395.59
  5. Step 5: Solve for x
    x = 23,117,395.59/5,207.64
  6. Step 6: Final answer
    x = 4,439.13

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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.