Home / 8,342.08-12,508.48-3,415.16

Finding the Fourth Proportional to 8,342.08, 12,508.48 and 3,415.16

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Solution

The fourth proportional to 8,342.08, 12,508.48 and 3,415.16 is: 5,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.08 : 12,508.48 = 3,415.16 : x
  2. Step 2: Convert to fraction form
    8,342.08/12,508.48 = 3,415.16/x
  3. Step 3: Cross multiply
    8,342.08x = 12,508.48 × 3,415.16
  4. Step 4: Simplify right side
    8,342.08x = 42,718,460.56
  5. Step 5: Solve for x
    x = 42,718,460.56/8,342.08
  6. Step 6: Final answer
    x = 5,120.84

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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.