Home / 6,917.11-10,378.28-4,145.77

Finding the Fourth Proportional to 6,917.11, 10,378.28 and 4,145.77

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Solution

The fourth proportional to 6,917.11, 10,378.28 and 4,145.77 is: 6,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.11 : 10,378.28 = 4,145.77 : x
  2. Step 2: Convert to fraction form
    6,917.11/10,378.28 = 4,145.77/x
  3. Step 3: Cross multiply
    6,917.11x = 10,378.28 × 4,145.77
  4. Step 4: Simplify right side
    6,917.11x = 43,025,889.26
  5. Step 5: Solve for x
    x = 43,025,889.26/6,917.11
  6. Step 6: Final answer
    x = 6,220.22

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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.