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Finding the Fourth Proportional to 4,395.05, 6,592.64 and 1,620.65

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Solution

The fourth proportional to 4,395.05, 6,592.64 and 1,620.65 is: 2,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.05 : 6,592.64 = 1,620.65 : x
  2. Step 2: Convert to fraction form
    4,395.05/6,592.64 = 1,620.65/x
  3. Step 3: Cross multiply
    4,395.05x = 6,592.64 × 1,620.65
  4. Step 4: Simplify right side
    4,395.05x = 10,684,353.91
  5. Step 5: Solve for x
    x = 10,684,353.91/4,395.05
  6. Step 6: Final answer
    x = 2,431.00

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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.