Home / 9,489.78-14,227.83-4,555.62

Finding the Fourth Proportional to 9,489.78, 14,227.83 and 4,555.62

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Solution

The fourth proportional to 9,489.78, 14,227.83 and 4,555.62 is: 6,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.78 : 14,227.83 = 4,555.62 : x
  2. Step 2: Convert to fraction form
    9,489.78/14,227.83 = 4,555.62/x
  3. Step 3: Cross multiply
    9,489.78x = 14,227.83 × 4,555.62
  4. Step 4: Simplify right side
    9,489.78x = 64,816,586.90
  5. Step 5: Solve for x
    x = 64,816,586.90/9,489.78
  6. Step 6: Final answer
    x = 6,830.15

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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.