Home / 8,902.42-13,362.30-4,288.66

Finding the Fourth Proportional to 8,902.42, 13,362.30 and 4,288.66

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Solution

The fourth proportional to 8,902.42, 13,362.30 and 4,288.66 is: 6,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.42 : 13,362.30 = 4,288.66 : x
  2. Step 2: Convert to fraction form
    8,902.42/13,362.30 = 4,288.66/x
  3. Step 3: Cross multiply
    8,902.42x = 13,362.30 × 4,288.66
  4. Step 4: Simplify right side
    8,902.42x = 57,306,361.52
  5. Step 5: Solve for x
    x = 57,306,361.52/8,902.42
  6. Step 6: Final answer
    x = 6,437.17

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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.