Home / 6,155.54-8,495.62-3,915.08

Finding the Fourth Proportional to 6,155.54, 8,495.62 and 3,915.08

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Solution

The fourth proportional to 6,155.54, 8,495.62 and 3,915.08 is: 5,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.54 : 8,495.62 = 3,915.08 : x
  2. Step 2: Convert to fraction form
    6,155.54/8,495.62 = 3,915.08/x
  3. Step 3: Cross multiply
    6,155.54x = 8,495.62 × 3,915.08
  4. Step 4: Simplify right side
    6,155.54x = 33,261,031.95
  5. Step 5: Solve for x
    x = 33,261,031.95/6,155.54
  6. Step 6: Final answer
    x = 5,403.43

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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.