Home / 5,391.43-7,442.69-3,152.99

Finding the Fourth Proportional to 5,391.43, 7,442.69 and 3,152.99

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Solution

The fourth proportional to 5,391.43, 7,442.69 and 3,152.99 is: 4,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.43 : 7,442.69 = 3,152.99 : x
  2. Step 2: Convert to fraction form
    5,391.43/7,442.69 = 3,152.99/x
  3. Step 3: Cross multiply
    5,391.43x = 7,442.69 × 3,152.99
  4. Step 4: Simplify right side
    5,391.43x = 23,466,729.98
  5. Step 5: Solve for x
    x = 23,466,729.98/5,391.43
  6. Step 6: Final answer
    x = 4,352.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.