Home / 9,152.90-12,631.07-4,961.15

Finding the Fourth Proportional to 9,152.90, 12,631.07 and 4,961.15

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Solution

The fourth proportional to 9,152.90, 12,631.07 and 4,961.15 is: 6,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.90 : 12,631.07 = 4,961.15 : x
  2. Step 2: Convert to fraction form
    9,152.90/12,631.07 = 4,961.15/x
  3. Step 3: Cross multiply
    9,152.90x = 12,631.07 × 4,961.15
  4. Step 4: Simplify right side
    9,152.90x = 62,664,544.97
  5. Step 5: Solve for x
    x = 62,664,544.97/9,152.90
  6. Step 6: Final answer
    x = 6,846.42

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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.