Home / 8,349.10-12,523.59-3,418.74

Finding the Fourth Proportional to 8,349.10, 12,523.59 and 3,418.74

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Solution

The fourth proportional to 8,349.10, 12,523.59 and 3,418.74 is: 5,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.10 : 12,523.59 = 3,418.74 : x
  2. Step 2: Convert to fraction form
    8,349.10/12,523.59 = 3,418.74/x
  3. Step 3: Cross multiply
    8,349.10x = 12,523.59 × 3,418.74
  4. Step 4: Simplify right side
    8,349.10x = 42,814,898.08
  5. Step 5: Solve for x
    x = 42,814,898.08/8,349.10
  6. Step 6: Final answer
    x = 5,128.09

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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.