Home / 8,319.17-12,468.37-4,160.37

Finding the Fourth Proportional to 8,319.17, 12,468.37 and 4,160.37

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Solution

The fourth proportional to 8,319.17, 12,468.37 and 4,160.37 is: 6,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.17 : 12,468.37 = 4,160.37 : x
  2. Step 2: Convert to fraction form
    8,319.17/12,468.37 = 4,160.37/x
  3. Step 3: Cross multiply
    8,319.17x = 12,468.37 × 4,160.37
  4. Step 4: Simplify right side
    8,319.17x = 51,873,032.50
  5. Step 5: Solve for x
    x = 51,873,032.50/8,319.17
  6. Step 6: Final answer
    x = 6,235.36

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Half scale
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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.