Home / 7,673.28-11,510.56-3,289.68

Finding the Fourth Proportional to 7,673.28, 11,510.56 and 3,289.68

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Solution

The fourth proportional to 7,673.28, 11,510.56 and 3,289.68 is: 4,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.28 : 11,510.56 = 3,289.68 : x
  2. Step 2: Convert to fraction form
    7,673.28/11,510.56 = 3,289.68/x
  3. Step 3: Cross multiply
    7,673.28x = 11,510.56 × 3,289.68
  4. Step 4: Simplify right side
    7,673.28x = 37,866,059.02
  5. Step 5: Solve for x
    x = 37,866,059.02/7,673.28
  6. Step 6: Final answer
    x = 4,934.79

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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.