Home / 7,738.34-11,607.48-2,807.96

Finding the Fourth Proportional to 7,738.34, 11,607.48 and 2,807.96

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Solution

The fourth proportional to 7,738.34, 11,607.48 and 2,807.96 is: 4,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.34 : 11,607.48 = 2,807.96 : x
  2. Step 2: Convert to fraction form
    7,738.34/11,607.48 = 2,807.96/x
  3. Step 3: Cross multiply
    7,738.34x = 11,607.48 × 2,807.96
  4. Step 4: Simplify right side
    7,738.34x = 32,593,281.50
  5. Step 5: Solve for x
    x = 32,593,281.50/7,738.34
  6. Step 6: Final answer
    x = 4,211.92

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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.