Home / 5,586.86-8,381.31-1,838.85

Finding the Fourth Proportional to 5,586.86, 8,381.31 and 1,838.85

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Solution

The fourth proportional to 5,586.86, 8,381.31 and 1,838.85 is: 2,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.86 : 8,381.31 = 1,838.85 : x
  2. Step 2: Convert to fraction form
    5,586.86/8,381.31 = 1,838.85/x
  3. Step 3: Cross multiply
    5,586.86x = 8,381.31 × 1,838.85
  4. Step 4: Simplify right side
    5,586.86x = 15,411,971.89
  5. Step 5: Solve for x
    x = 15,411,971.89/5,586.86
  6. Step 6: Final answer
    x = 2,758.61

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1.5x scale

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.