Home / 7,631.76-11,445.21-2,436.42

Finding the Fourth Proportional to 7,631.76, 11,445.21 and 2,436.42

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Solution

The fourth proportional to 7,631.76, 11,445.21 and 2,436.42 is: 3,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.76 : 11,445.21 = 2,436.42 : x
  2. Step 2: Convert to fraction form
    7,631.76/11,445.21 = 2,436.42/x
  3. Step 3: Cross multiply
    7,631.76x = 11,445.21 × 2,436.42
  4. Step 4: Simplify right side
    7,631.76x = 27,885,338.55
  5. Step 5: Solve for x
    x = 27,885,338.55/7,631.76
  6. Step 6: Final answer
    x = 3,653.85

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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.