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Finding the Fourth Proportional to 4,453.50, 6,145.84 and 2,590.50

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Solution

The fourth proportional to 4,453.50, 6,145.84 and 2,590.50 is: 3,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.50 : 6,145.84 = 2,590.50 : x
  2. Step 2: Convert to fraction form
    4,453.50/6,145.84 = 2,590.50/x
  3. Step 3: Cross multiply
    4,453.50x = 6,145.84 × 2,590.50
  4. Step 4: Simplify right side
    4,453.50x = 15,920,798.52
  5. Step 5: Solve for x
    x = 15,920,798.52/4,453.50
  6. Step 6: Final answer
    x = 3,574.90

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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.