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Finding the Fourth Proportional to 6,377.63, 8,800.98 and 3,688.65

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Solution

The fourth proportional to 6,377.63, 8,800.98 and 3,688.65 is: 5,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.63 : 8,800.98 = 3,688.65 : x
  2. Step 2: Convert to fraction form
    6,377.63/8,800.98 = 3,688.65/x
  3. Step 3: Cross multiply
    6,377.63x = 8,800.98 × 3,688.65
  4. Step 4: Simplify right side
    6,377.63x = 32,463,734.88
  5. Step 5: Solve for x
    x = 32,463,734.88/6,377.63
  6. Step 6: Final answer
    x = 5,090.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.