Home / 8,339.05-12,508.58-3,407.59

Finding the Fourth Proportional to 8,339.05, 12,508.58 and 3,407.59

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Solution

The fourth proportional to 8,339.05, 12,508.58 and 3,407.59 is: 5,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.05 : 12,508.58 = 3,407.59 : x
  2. Step 2: Convert to fraction form
    8,339.05/12,508.58 = 3,407.59/x
  3. Step 3: Cross multiply
    8,339.05x = 12,508.58 × 3,407.59
  4. Step 4: Simplify right side
    8,339.05x = 42,624,112.12
  5. Step 5: Solve for x
    x = 42,624,112.12/8,339.05
  6. Step 6: Final answer
    x = 5,111.39

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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.