Home / 5,690.89-7,848.98-3,702.08

Finding the Fourth Proportional to 5,690.89, 7,848.98 and 3,702.08

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Solution

The fourth proportional to 5,690.89, 7,848.98 and 3,702.08 is: 5,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.89 : 7,848.98 = 3,702.08 : x
  2. Step 2: Convert to fraction form
    5,690.89/7,848.98 = 3,702.08/x
  3. Step 3: Cross multiply
    5,690.89x = 7,848.98 × 3,702.08
  4. Step 4: Simplify right side
    5,690.89x = 29,057,551.88
  5. Step 5: Solve for x
    x = 29,057,551.88/5,690.89
  6. Step 6: Final answer
    x = 5,105.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.