Home / 5,690.00-8,529.59-1,989.81

Finding the Fourth Proportional to 5,690.00, 8,529.59 and 1,989.81

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Solution

The fourth proportional to 5,690.00, 8,529.59 and 1,989.81 is: 2,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.00 : 8,529.59 = 1,989.81 : x
  2. Step 2: Convert to fraction form
    5,690.00/8,529.59 = 1,989.81/x
  3. Step 3: Cross multiply
    5,690.00x = 8,529.59 × 1,989.81
  4. Step 4: Simplify right side
    5,690.00x = 16,972,253.53
  5. Step 5: Solve for x
    x = 16,972,253.53/5,690.00
  6. Step 6: Final answer
    x = 2,982.82

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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.