Home / 5,136.30-7,699.76-1,848.64

Finding the Fourth Proportional to 5,136.30, 7,699.76 and 1,848.64

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Solution

The fourth proportional to 5,136.30, 7,699.76 and 1,848.64 is: 2,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.30 : 7,699.76 = 1,848.64 : x
  2. Step 2: Convert to fraction form
    5,136.30/7,699.76 = 1,848.64/x
  3. Step 3: Cross multiply
    5,136.30x = 7,699.76 × 1,848.64
  4. Step 4: Simplify right side
    5,136.30x = 14,234,084.33
  5. Step 5: Solve for x
    x = 14,234,084.33/5,136.30
  6. Step 6: Final answer
    x = 2,771.27

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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.