Home / 8,289.28-11,439.38-4,704.47

Finding the Fourth Proportional to 8,289.28, 11,439.38 and 4,704.47

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Solution

The fourth proportional to 8,289.28, 11,439.38 and 4,704.47 is: 6,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.28 : 11,439.38 = 4,704.47 : x
  2. Step 2: Convert to fraction form
    8,289.28/11,439.38 = 4,704.47/x
  3. Step 3: Cross multiply
    8,289.28x = 11,439.38 × 4,704.47
  4. Step 4: Simplify right side
    8,289.28x = 53,816,162.83
  5. Step 5: Solve for x
    x = 53,816,162.83/8,289.28
  6. Step 6: Final answer
    x = 6,492.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.