Home / 7,478.42-11,217.66-2,284.28

Finding the Fourth Proportional to 7,478.42, 11,217.66 and 2,284.28

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Solution

The fourth proportional to 7,478.42, 11,217.66 and 2,284.28 is: 3,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.42 : 11,217.66 = 2,284.28 : x
  2. Step 2: Convert to fraction form
    7,478.42/11,217.66 = 2,284.28/x
  3. Step 3: Cross multiply
    7,478.42x = 11,217.66 × 2,284.28
  4. Step 4: Simplify right side
    7,478.42x = 25,624,276.38
  5. Step 5: Solve for x
    x = 25,624,276.38/7,478.42
  6. Step 6: Final answer
    x = 3,426.43

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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.