Home / 8,368.23-12,543.58-2,819.65

Finding the Fourth Proportional to 8,368.23, 12,543.58 and 2,819.65

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Solution

The fourth proportional to 8,368.23, 12,543.58 and 2,819.65 is: 4,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.23 : 12,543.58 = 2,819.65 : x
  2. Step 2: Convert to fraction form
    8,368.23/12,543.58 = 2,819.65/x
  3. Step 3: Cross multiply
    8,368.23x = 12,543.58 × 2,819.65
  4. Step 4: Simplify right side
    8,368.23x = 35,368,536.71
  5. Step 5: Solve for x
    x = 35,368,536.71/8,368.23
  6. Step 6: Final answer
    x = 4,226.53

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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.