Home / 7,085.44-10,631.46-3,187.72

Finding the Fourth Proportional to 7,085.44, 10,631.46 and 3,187.72

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Solution

The fourth proportional to 7,085.44, 10,631.46 and 3,187.72 is: 4,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.44 : 10,631.46 = 3,187.72 : x
  2. Step 2: Convert to fraction form
    7,085.44/10,631.46 = 3,187.72/x
  3. Step 3: Cross multiply
    7,085.44x = 10,631.46 × 3,187.72
  4. Step 4: Simplify right side
    7,085.44x = 33,890,117.67
  5. Step 5: Solve for x
    x = 33,890,117.67/7,085.44
  6. Step 6: Final answer
    x = 4,783.06

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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.