Home / 4,439.70-6,655.05-2,880.69

Finding the Fourth Proportional to 4,439.70, 6,655.05 and 2,880.69

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Solution

The fourth proportional to 4,439.70, 6,655.05 and 2,880.69 is: 4,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.70 : 6,655.05 = 2,880.69 : x
  2. Step 2: Convert to fraction form
    4,439.70/6,655.05 = 2,880.69/x
  3. Step 3: Cross multiply
    4,439.70x = 6,655.05 × 2,880.69
  4. Step 4: Simplify right side
    4,439.70x = 19,171,135.98
  5. Step 5: Solve for x
    x = 19,171,135.98/4,439.70
  6. Step 6: Final answer
    x = 4,318.12

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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.