Home / 7,688.63-11,521.74-4,175.66

Finding the Fourth Proportional to 7,688.63, 11,521.74 and 4,175.66

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Solution

The fourth proportional to 7,688.63, 11,521.74 and 4,175.66 is: 6,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.63 : 11,521.74 = 4,175.66 : x
  2. Step 2: Convert to fraction form
    7,688.63/11,521.74 = 4,175.66/x
  3. Step 3: Cross multiply
    7,688.63x = 11,521.74 × 4,175.66
  4. Step 4: Simplify right side
    7,688.63x = 48,110,868.85
  5. Step 5: Solve for x
    x = 48,110,868.85/7,688.63
  6. Step 6: Final answer
    x = 6,257.40

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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.