Home / 8,490.08-12,727.56-3,292.40

Finding the Fourth Proportional to 8,490.08, 12,727.56 and 3,292.40

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Solution

The fourth proportional to 8,490.08, 12,727.56 and 3,292.40 is: 4,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.08 : 12,727.56 = 3,292.40 : x
  2. Step 2: Convert to fraction form
    8,490.08/12,727.56 = 3,292.40/x
  3. Step 3: Cross multiply
    8,490.08x = 12,727.56 × 3,292.40
  4. Step 4: Simplify right side
    8,490.08x = 41,904,218.54
  5. Step 5: Solve for x
    x = 41,904,218.54/8,490.08
  6. Step 6: Final answer
    x = 4,935.67

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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.