Home / 5,588.86-8,381.30-1,639.02

Finding the Fourth Proportional to 5,588.86, 8,381.30 and 1,639.02

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Solution

The fourth proportional to 5,588.86, 8,381.30 and 1,639.02 is: 2,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.86 : 8,381.30 = 1,639.02 : x
  2. Step 2: Convert to fraction form
    5,588.86/8,381.30 = 1,639.02/x
  3. Step 3: Cross multiply
    5,588.86x = 8,381.30 × 1,639.02
  4. Step 4: Simplify right side
    5,588.86x = 13,737,118.33
  5. Step 5: Solve for x
    x = 13,737,118.33/5,588.86
  6. Step 6: Final answer
    x = 2,457.95

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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.