Home / 6,845.79-10,268.96-1,915.86

Finding the Fourth Proportional to 6,845.79, 10,268.96 and 1,915.86

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Solution

The fourth proportional to 6,845.79, 10,268.96 and 1,915.86 is: 2,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.79 : 10,268.96 = 1,915.86 : x
  2. Step 2: Convert to fraction form
    6,845.79/10,268.96 = 1,915.86/x
  3. Step 3: Cross multiply
    6,845.79x = 10,268.96 × 1,915.86
  4. Step 4: Simplify right side
    6,845.79x = 19,673,880.13
  5. Step 5: Solve for x
    x = 19,673,880.13/6,845.79
  6. Step 6: Final answer
    x = 2,873.87

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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.