Home / 7,710.23-11,569.40-4,202.75

Finding the Fourth Proportional to 7,710.23, 11,569.40 and 4,202.75

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Solution

The fourth proportional to 7,710.23, 11,569.40 and 4,202.75 is: 6,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.23 : 11,569.40 = 4,202.75 : x
  2. Step 2: Convert to fraction form
    7,710.23/11,569.40 = 4,202.75/x
  3. Step 3: Cross multiply
    7,710.23x = 11,569.40 × 4,202.75
  4. Step 4: Simplify right side
    7,710.23x = 48,623,295.85
  5. Step 5: Solve for x
    x = 48,623,295.85/7,710.23
  6. Step 6: Final answer
    x = 6,306.34

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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.