Home / 9,890.28-14,827.29-4,622.68

Finding the Fourth Proportional to 9,890.28, 14,827.29 and 4,622.68

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Solution

The fourth proportional to 9,890.28, 14,827.29 and 4,622.68 is: 6,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.28 : 14,827.29 = 4,622.68 : x
  2. Step 2: Convert to fraction form
    9,890.28/14,827.29 = 4,622.68/x
  3. Step 3: Cross multiply
    9,890.28x = 14,827.29 × 4,622.68
  4. Step 4: Simplify right side
    9,890.28x = 68,541,816.94
  5. Step 5: Solve for x
    x = 68,541,816.94/9,890.28
  6. Step 6: Final answer
    x = 6,930.22

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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.