Home / 4,808.63-7,213.82-2,211.50

Finding the Fourth Proportional to 4,808.63, 7,213.82 and 2,211.50

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Solution

The fourth proportional to 4,808.63, 7,213.82 and 2,211.50 is: 3,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.63 : 7,213.82 = 2,211.50 : x
  2. Step 2: Convert to fraction form
    4,808.63/7,213.82 = 2,211.50/x
  3. Step 3: Cross multiply
    4,808.63x = 7,213.82 × 2,211.50
  4. Step 4: Simplify right side
    4,808.63x = 15,953,368.46
  5. Step 5: Solve for x
    x = 15,953,368.46/4,808.63
  6. Step 6: Final answer
    x = 3,317.65

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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.