Home / 8,289.50-11,439.89-4,752.69

Finding the Fourth Proportional to 8,289.50, 11,439.89 and 4,752.69

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Solution

The fourth proportional to 8,289.50, 11,439.89 and 4,752.69 is: 6,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.50 : 11,439.89 = 4,752.69 : x
  2. Step 2: Convert to fraction form
    8,289.50/11,439.89 = 4,752.69/x
  3. Step 3: Cross multiply
    8,289.50x = 11,439.89 × 4,752.69
  4. Step 4: Simplify right side
    8,289.50x = 54,370,227.04
  5. Step 5: Solve for x
    x = 54,370,227.04/8,289.50
  6. Step 6: Final answer
    x = 6,558.93

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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.