Home / 5,440.25-8,119.27-4,915.37

Finding the Fourth Proportional to 5,440.25, 8,119.27 and 4,915.37

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Solution

The fourth proportional to 5,440.25, 8,119.27 and 4,915.37 is: 7,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.25 : 8,119.27 = 4,915.37 : x
  2. Step 2: Convert to fraction form
    5,440.25/8,119.27 = 4,915.37/x
  3. Step 3: Cross multiply
    5,440.25x = 8,119.27 × 4,915.37
  4. Step 4: Simplify right side
    5,440.25x = 39,909,216.18
  5. Step 5: Solve for x
    x = 39,909,216.18/5,440.25
  6. Step 6: Final answer
    x = 7,335.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.