Home / 8,523.20-11,762.56-5,166.32

Finding the Fourth Proportional to 8,523.20, 11,762.56 and 5,166.32

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Solution

The fourth proportional to 8,523.20, 11,762.56 and 5,166.32 is: 7,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.20 : 11,762.56 = 5,166.32 : x
  2. Step 2: Convert to fraction form
    8,523.20/11,762.56 = 5,166.32/x
  3. Step 3: Cross multiply
    8,523.20x = 11,762.56 × 5,166.32
  4. Step 4: Simplify right side
    8,523.20x = 60,769,148.98
  5. Step 5: Solve for x
    x = 60,769,148.98/8,523.20
  6. Step 6: Final answer
    x = 7,129.85

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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.