Home / 4,620.90-6,927.99-3,155.46

Finding the Fourth Proportional to 4,620.90, 6,927.99 and 3,155.46

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Solution

The fourth proportional to 4,620.90, 6,927.99 and 3,155.46 is: 4,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.90 : 6,927.99 = 3,155.46 : x
  2. Step 2: Convert to fraction form
    4,620.90/6,927.99 = 3,155.46/x
  3. Step 3: Cross multiply
    4,620.90x = 6,927.99 × 3,155.46
  4. Step 4: Simplify right side
    4,620.90x = 21,860,995.33
  5. Step 5: Solve for x
    x = 21,860,995.33/4,620.90
  6. Step 6: Final answer
    x = 4,730.90

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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.