Home / 5,827.28-8,742.20-4,283.60

Finding the Fourth Proportional to 5,827.28, 8,742.20 and 4,283.60

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Solution

The fourth proportional to 5,827.28, 8,742.20 and 4,283.60 is: 6,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.28 : 8,742.20 = 4,283.60 : x
  2. Step 2: Convert to fraction form
    5,827.28/8,742.20 = 4,283.60/x
  3. Step 3: Cross multiply
    5,827.28x = 8,742.20 × 4,283.60
  4. Step 4: Simplify right side
    5,827.28x = 37,448,087.92
  5. Step 5: Solve for x
    x = 37,448,087.92/5,827.28
  6. Step 6: Final answer
    x = 6,426.34

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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.