Home / 7,186.30-9,910.38-4,665.72

Finding the Fourth Proportional to 7,186.30, 9,910.38 and 4,665.72

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Solution

The fourth proportional to 7,186.30, 9,910.38 and 4,665.72 is: 6,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.30 : 9,910.38 = 4,665.72 : x
  2. Step 2: Convert to fraction form
    7,186.30/9,910.38 = 4,665.72/x
  3. Step 3: Cross multiply
    7,186.30x = 9,910.38 × 4,665.72
  4. Step 4: Simplify right side
    7,186.30x = 46,239,058.17
  5. Step 5: Solve for x
    x = 46,239,058.17/7,186.30
  6. Step 6: Final answer
    x = 6,434.33

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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.