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Finding the Fourth Proportional to 8,533.52, 12,790.52 and 3,595.76

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Solution

The fourth proportional to 8,533.52, 12,790.52 and 3,595.76 is: 5,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.52 : 12,790.52 = 3,595.76 : x
  2. Step 2: Convert to fraction form
    8,533.52/12,790.52 = 3,595.76/x
  3. Step 3: Cross multiply
    8,533.52x = 12,790.52 × 3,595.76
  4. Step 4: Simplify right side
    8,533.52x = 45,991,640.20
  5. Step 5: Solve for x
    x = 45,991,640.20/8,533.52
  6. Step 6: Final answer
    x = 5,389.53

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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.