Home / 6,824.40-10,231.20-2,925.60

Finding the Fourth Proportional to 6,824.40, 10,231.20 and 2,925.60

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Solution

The fourth proportional to 6,824.40, 10,231.20 and 2,925.60 is: 4,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.40 : 10,231.20 = 2,925.60 : x
  2. Step 2: Convert to fraction form
    6,824.40/10,231.20 = 2,925.60/x
  3. Step 3: Cross multiply
    6,824.40x = 10,231.20 × 2,925.60
  4. Step 4: Simplify right side
    6,824.40x = 29,932,398.72
  5. Step 5: Solve for x
    x = 29,932,398.72/6,824.40
  6. Step 6: Final answer
    x = 4,386.09

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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.