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Finding the Fourth Proportional to 8,509.86, 11,732.04 and 6,354.45

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Solution

The fourth proportional to 8,509.86, 11,732.04 and 6,354.45 is: 8,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.86 : 11,732.04 = 6,354.45 : x
  2. Step 2: Convert to fraction form
    8,509.86/11,732.04 = 6,354.45/x
  3. Step 3: Cross multiply
    8,509.86x = 11,732.04 × 6,354.45
  4. Step 4: Simplify right side
    8,509.86x = 74,550,661.58
  5. Step 5: Solve for x
    x = 74,550,661.58/8,509.86
  6. Step 6: Final answer
    x = 8,760.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.