Home / 6,612.41-9,917.07-1,931.44

Finding the Fourth Proportional to 6,612.41, 9,917.07 and 1,931.44

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Solution

The fourth proportional to 6,612.41, 9,917.07 and 1,931.44 is: 2,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.41 : 9,917.07 = 1,931.44 : x
  2. Step 2: Convert to fraction form
    6,612.41/9,917.07 = 1,931.44/x
  3. Step 3: Cross multiply
    6,612.41x = 9,917.07 × 1,931.44
  4. Step 4: Simplify right side
    6,612.41x = 19,154,225.68
  5. Step 5: Solve for x
    x = 19,154,225.68/6,612.41
  6. Step 6: Final answer
    x = 2,896.71

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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.