Home / 7,566.76-11,351.36-3,185.47

Finding the Fourth Proportional to 7,566.76, 11,351.36 and 3,185.47

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Solution

The fourth proportional to 7,566.76, 11,351.36 and 3,185.47 is: 4,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.76 : 11,351.36 = 3,185.47 : x
  2. Step 2: Convert to fraction form
    7,566.76/11,351.36 = 3,185.47/x
  3. Step 3: Cross multiply
    7,566.76x = 11,351.36 × 3,185.47
  4. Step 4: Simplify right side
    7,566.76x = 36,159,416.74
  5. Step 5: Solve for x
    x = 36,159,416.74/7,566.76
  6. Step 6: Final answer
    x = 4,778.72

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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.