Home / 5,084.12-7,620.94-2,888.20

Finding the Fourth Proportional to 5,084.12, 7,620.94 and 2,888.20

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Solution

The fourth proportional to 5,084.12, 7,620.94 and 2,888.20 is: 4,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.12 : 7,620.94 = 2,888.20 : x
  2. Step 2: Convert to fraction form
    5,084.12/7,620.94 = 2,888.20/x
  3. Step 3: Cross multiply
    5,084.12x = 7,620.94 × 2,888.20
  4. Step 4: Simplify right side
    5,084.12x = 22,010,798.91
  5. Step 5: Solve for x
    x = 22,010,798.91/5,084.12
  6. Step 6: Final answer
    x = 4,329.32

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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.