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Finding the Fourth Proportional to 8,965.43, 13,451.91 and 4,804.32

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Solution

The fourth proportional to 8,965.43, 13,451.91 and 4,804.32 is: 7,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.43 : 13,451.91 = 4,804.32 : x
  2. Step 2: Convert to fraction form
    8,965.43/13,451.91 = 4,804.32/x
  3. Step 3: Cross multiply
    8,965.43x = 13,451.91 × 4,804.32
  4. Step 4: Simplify right side
    8,965.43x = 64,627,280.25
  5. Step 5: Solve for x
    x = 64,627,280.25/8,965.43
  6. Step 6: Final answer
    x = 7,208.50

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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.