Home / 4,515.55-6,787.19-4,418.69

Finding the Fourth Proportional to 4,515.55, 6,787.19 and 4,418.69

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Solution

The fourth proportional to 4,515.55, 6,787.19 and 4,418.69 is: 6,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.55 : 6,787.19 = 4,418.69 : x
  2. Step 2: Convert to fraction form
    4,515.55/6,787.19 = 4,418.69/x
  3. Step 3: Cross multiply
    4,515.55x = 6,787.19 × 4,418.69
  4. Step 4: Simplify right side
    4,515.55x = 29,990,465.69
  5. Step 5: Solve for x
    x = 29,990,465.69/4,515.55
  6. Step 6: Final answer
    x = 6,641.60

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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.