Home / 6,917.17-10,386.12-3,958.95

Finding the Fourth Proportional to 6,917.17, 10,386.12 and 3,958.95

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Solution

The fourth proportional to 6,917.17, 10,386.12 and 3,958.95 is: 5,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.17 : 10,386.12 = 3,958.95 : x
  2. Step 2: Convert to fraction form
    6,917.17/10,386.12 = 3,958.95/x
  3. Step 3: Cross multiply
    6,917.17x = 10,386.12 × 3,958.95
  4. Step 4: Simplify right side
    6,917.17x = 41,118,129.77
  5. Step 5: Solve for x
    x = 41,118,129.77/6,917.17
  6. Step 6: Final answer
    x = 5,944.36

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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.