Home / 5,280.95-7,915.71-3,433.38

Finding the Fourth Proportional to 5,280.95, 7,915.71 and 3,433.38

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Solution

The fourth proportional to 5,280.95, 7,915.71 and 3,433.38 is: 5,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.95 : 7,915.71 = 3,433.38 : x
  2. Step 2: Convert to fraction form
    5,280.95/7,915.71 = 3,433.38/x
  3. Step 3: Cross multiply
    5,280.95x = 7,915.71 × 3,433.38
  4. Step 4: Simplify right side
    5,280.95x = 27,177,640.40
  5. Step 5: Solve for x
    x = 27,177,640.40/5,280.95
  6. Step 6: Final answer
    x = 5,146.36

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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.