Home / 4,543.10-6,814.65-1,620.72

Finding the Fourth Proportional to 4,543.10, 6,814.65 and 1,620.72

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Solution

The fourth proportional to 4,543.10, 6,814.65 and 1,620.72 is: 2,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.10 : 6,814.65 = 1,620.72 : x
  2. Step 2: Convert to fraction form
    4,543.10/6,814.65 = 1,620.72/x
  3. Step 3: Cross multiply
    4,543.10x = 6,814.65 × 1,620.72
  4. Step 4: Simplify right side
    4,543.10x = 11,044,631.44
  5. Step 5: Solve for x
    x = 11,044,631.44/4,543.10
  6. Step 6: Final answer
    x = 2,431.08

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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.