Home / 7,639.50-11,451.33-3,259.74

Finding the Fourth Proportional to 7,639.50, 11,451.33 and 3,259.74

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Solution

The fourth proportional to 7,639.50, 11,451.33 and 3,259.74 is: 4,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.50 : 11,451.33 = 3,259.74 : x
  2. Step 2: Convert to fraction form
    7,639.50/11,451.33 = 3,259.74/x
  3. Step 3: Cross multiply
    7,639.50x = 11,451.33 × 3,259.74
  4. Step 4: Simplify right side
    7,639.50x = 37,328,358.45
  5. Step 5: Solve for x
    x = 37,328,358.45/7,639.50
  6. Step 6: Final answer
    x = 4,886.23

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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.