Home / 8,533.50-12,801.68-2,688.95

Finding the Fourth Proportional to 8,533.50, 12,801.68 and 2,688.95

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Solution

The fourth proportional to 8,533.50, 12,801.68 and 2,688.95 is: 4,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.50 : 12,801.68 = 2,688.95 : x
  2. Step 2: Convert to fraction form
    8,533.50/12,801.68 = 2,688.95/x
  3. Step 3: Cross multiply
    8,533.50x = 12,801.68 × 2,688.95
  4. Step 4: Simplify right side
    8,533.50x = 34,422,999.98
  5. Step 5: Solve for x
    x = 34,422,999.98/8,533.50
  6. Step 6: Final answer
    x = 4,033.87

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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.