Home / 4,728.95-7,084.99-2,879.11

Finding the Fourth Proportional to 4,728.95, 7,084.99 and 2,879.11

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Solution

The fourth proportional to 4,728.95, 7,084.99 and 2,879.11 is: 4,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.95 : 7,084.99 = 2,879.11 : x
  2. Step 2: Convert to fraction form
    4,728.95/7,084.99 = 2,879.11/x
  3. Step 3: Cross multiply
    4,728.95x = 7,084.99 × 2,879.11
  4. Step 4: Simplify right side
    4,728.95x = 20,398,415.74
  5. Step 5: Solve for x
    x = 20,398,415.74/4,728.95
  6. Step 6: Final answer
    x = 4,313.52

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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.