Home / 7,848.72-11,773.08-3,687.35

Finding the Fourth Proportional to 7,848.72, 11,773.08 and 3,687.35

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Solution

The fourth proportional to 7,848.72, 11,773.08 and 3,687.35 is: 5,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.72 : 11,773.08 = 3,687.35 : x
  2. Step 2: Convert to fraction form
    7,848.72/11,773.08 = 3,687.35/x
  3. Step 3: Cross multiply
    7,848.72x = 11,773.08 × 3,687.35
  4. Step 4: Simplify right side
    7,848.72x = 43,411,407.67
  5. Step 5: Solve for x
    x = 43,411,407.67/7,848.72
  6. Step 6: Final answer
    x = 5,531.02

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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.