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Finding the Fourth Proportional to 9,651.70, 14,478.63 and 3,075.58

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Solution

The fourth proportional to 9,651.70, 14,478.63 and 3,075.58 is: 4,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.70 : 14,478.63 = 3,075.58 : x
  2. Step 2: Convert to fraction form
    9,651.70/14,478.63 = 3,075.58/x
  3. Step 3: Cross multiply
    9,651.70x = 14,478.63 × 3,075.58
  4. Step 4: Simplify right side
    9,651.70x = 44,530,184.86
  5. Step 5: Solve for x
    x = 44,530,184.86/9,651.70
  6. Step 6: Final answer
    x = 4,613.71

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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.