Home / 5,757.54-8,640.58-4,280.18

Finding the Fourth Proportional to 5,757.54, 8,640.58 and 4,280.18

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Solution

The fourth proportional to 5,757.54, 8,640.58 and 4,280.18 is: 6,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.54 : 8,640.58 = 4,280.18 : x
  2. Step 2: Convert to fraction form
    5,757.54/8,640.58 = 4,280.18/x
  3. Step 3: Cross multiply
    5,757.54x = 8,640.58 × 4,280.18
  4. Step 4: Simplify right side
    5,757.54x = 36,983,237.70
  5. Step 5: Solve for x
    x = 36,983,237.70/5,757.54
  6. Step 6: Final answer
    x = 6,423.44

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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.