Home / 5,577.04-7,697.19-4,084.21

Finding the Fourth Proportional to 5,577.04, 7,697.19 and 4,084.21

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Solution

The fourth proportional to 5,577.04, 7,697.19 and 4,084.21 is: 5,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.04 : 7,697.19 = 4,084.21 : x
  2. Step 2: Convert to fraction form
    5,577.04/7,697.19 = 4,084.21/x
  3. Step 3: Cross multiply
    5,577.04x = 7,697.19 × 4,084.21
  4. Step 4: Simplify right side
    5,577.04x = 31,436,940.37
  5. Step 5: Solve for x
    x = 31,436,940.37/5,577.04
  6. Step 6: Final answer
    x = 5,636.85

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Half scale
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Double scale
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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.