Home / 5,680.45-8,522.02-1,784.86

Finding the Fourth Proportional to 5,680.45, 8,522.02 and 1,784.86

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Solution

The fourth proportional to 5,680.45, 8,522.02 and 1,784.86 is: 2,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.45 : 8,522.02 = 1,784.86 : x
  2. Step 2: Convert to fraction form
    5,680.45/8,522.02 = 1,784.86/x
  3. Step 3: Cross multiply
    5,680.45x = 8,522.02 × 1,784.86
  4. Step 4: Simplify right side
    5,680.45x = 15,210,586.85
  5. Step 5: Solve for x
    x = 15,210,586.85/5,680.45
  6. Step 6: Final answer
    x = 2,677.71

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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.