Home / 6,631.95-9,942.34-2,880.91

Finding the Fourth Proportional to 6,631.95, 9,942.34 and 2,880.91

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Solution

The fourth proportional to 6,631.95, 9,942.34 and 2,880.91 is: 4,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.95 : 9,942.34 = 2,880.91 : x
  2. Step 2: Convert to fraction form
    6,631.95/9,942.34 = 2,880.91/x
  3. Step 3: Cross multiply
    6,631.95x = 9,942.34 × 2,880.91
  4. Step 4: Simplify right side
    6,631.95x = 28,642,986.73
  5. Step 5: Solve for x
    x = 28,642,986.73/6,631.95
  6. Step 6: Final answer
    x = 4,318.94

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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.