Home / 8,285.09-12,429.45-3,354.01

Finding the Fourth Proportional to 8,285.09, 12,429.45 and 3,354.01

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Solution

The fourth proportional to 8,285.09, 12,429.45 and 3,354.01 is: 5,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.09 : 12,429.45 = 3,354.01 : x
  2. Step 2: Convert to fraction form
    8,285.09/12,429.45 = 3,354.01/x
  3. Step 3: Cross multiply
    8,285.09x = 12,429.45 × 3,354.01
  4. Step 4: Simplify right side
    8,285.09x = 41,688,468.52
  5. Step 5: Solve for x
    x = 41,688,468.52/8,285.09
  6. Step 6: Final answer
    x = 5,031.75

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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.