Home / 8,533.20-12,800.20-2,690.26

Finding the Fourth Proportional to 8,533.20, 12,800.20 and 2,690.26

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Solution

The fourth proportional to 8,533.20, 12,800.20 and 2,690.26 is: 4,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.20 : 12,800.20 = 2,690.26 : x
  2. Step 2: Convert to fraction form
    8,533.20/12,800.20 = 2,690.26/x
  3. Step 3: Cross multiply
    8,533.20x = 12,800.20 × 2,690.26
  4. Step 4: Simplify right side
    8,533.20x = 34,435,866.05
  5. Step 5: Solve for x
    x = 34,435,866.05/8,533.20
  6. Step 6: Final answer
    x = 4,035.52

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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.