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Finding the Fourth Proportional to 8,976.09, 13,464.12 and 2,402.11

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Solution

The fourth proportional to 8,976.09, 13,464.12 and 2,402.11 is: 3,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.09 : 13,464.12 = 2,402.11 : x
  2. Step 2: Convert to fraction form
    8,976.09/13,464.12 = 2,402.11/x
  3. Step 3: Cross multiply
    8,976.09x = 13,464.12 × 2,402.11
  4. Step 4: Simplify right side
    8,976.09x = 32,342,247.40
  5. Step 5: Solve for x
    x = 32,342,247.40/8,976.09
  6. Step 6: Final answer
    x = 3,603.16

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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.