Home / 5,780.88-8,670.96-1,621.44

Finding the Fourth Proportional to 5,780.88, 8,670.96 and 1,621.44

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Solution

The fourth proportional to 5,780.88, 8,670.96 and 1,621.44 is: 2,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.88 : 8,670.96 = 1,621.44 : x
  2. Step 2: Convert to fraction form
    5,780.88/8,670.96 = 1,621.44/x
  3. Step 3: Cross multiply
    5,780.88x = 8,670.96 × 1,621.44
  4. Step 4: Simplify right side
    5,780.88x = 14,059,441.38
  5. Step 5: Solve for x
    x = 14,059,441.38/5,780.88
  6. Step 6: Final answer
    x = 2,432.06

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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.