Home / 5,152.37-7,110.97-2,915.15

Finding the Fourth Proportional to 5,152.37, 7,110.97 and 2,915.15

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Solution

The fourth proportional to 5,152.37, 7,110.97 and 2,915.15 is: 4,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.37 : 7,110.97 = 2,915.15 : x
  2. Step 2: Convert to fraction form
    5,152.37/7,110.97 = 2,915.15/x
  3. Step 3: Cross multiply
    5,152.37x = 7,110.97 × 2,915.15
  4. Step 4: Simplify right side
    5,152.37x = 20,729,501.35
  5. Step 5: Solve for x
    x = 20,729,501.35/5,152.37
  6. Step 6: Final answer
    x = 4,023.30

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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.