Home / 9,153.56-12,631.94-4,961.81

Finding the Fourth Proportional to 9,153.56, 12,631.94 and 4,961.81

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Solution

The fourth proportional to 9,153.56, 12,631.94 and 4,961.81 is: 6,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.56 : 12,631.94 = 4,961.81 : x
  2. Step 2: Convert to fraction form
    9,153.56/12,631.94 = 4,961.81/x
  3. Step 3: Cross multiply
    9,153.56x = 12,631.94 × 4,961.81
  4. Step 4: Simplify right side
    9,153.56x = 62,677,321.18
  5. Step 5: Solve for x
    x = 62,677,321.18/9,153.56
  6. Step 6: Final answer
    x = 6,847.31

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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.