Home / 8,511.28-12,756.59-4,552.81

Finding the Fourth Proportional to 8,511.28, 12,756.59 and 4,552.81

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Solution

The fourth proportional to 8,511.28, 12,756.59 and 4,552.81 is: 6,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.28 : 12,756.59 = 4,552.81 : x
  2. Step 2: Convert to fraction form
    8,511.28/12,756.59 = 4,552.81/x
  3. Step 3: Cross multiply
    8,511.28x = 12,756.59 × 4,552.81
  4. Step 4: Simplify right side
    8,511.28x = 58,078,292.94
  5. Step 5: Solve for x
    x = 58,078,292.94/8,511.28
  6. Step 6: Final answer
    x = 6,823.69

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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.