Home / 4,280.67-6,411.15-2,195.55

Finding the Fourth Proportional to 4,280.67, 6,411.15 and 2,195.55

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Solution

The fourth proportional to 4,280.67, 6,411.15 and 2,195.55 is: 3,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.67 : 6,411.15 = 2,195.55 : x
  2. Step 2: Convert to fraction form
    4,280.67/6,411.15 = 2,195.55/x
  3. Step 3: Cross multiply
    4,280.67x = 6,411.15 × 2,195.55
  4. Step 4: Simplify right side
    4,280.67x = 14,076,000.38
  5. Step 5: Solve for x
    x = 14,076,000.38/4,280.67
  6. Step 6: Final answer
    x = 3,288.27

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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.