Home / 4,654.08-6,980.04-2,190.60

Finding the Fourth Proportional to 4,654.08, 6,980.04 and 2,190.60

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Solution

The fourth proportional to 4,654.08, 6,980.04 and 2,190.60 is: 3,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.08 : 6,980.04 = 2,190.60 : x
  2. Step 2: Convert to fraction form
    4,654.08/6,980.04 = 2,190.60/x
  3. Step 3: Cross multiply
    4,654.08x = 6,980.04 × 2,190.60
  4. Step 4: Simplify right side
    4,654.08x = 15,290,475.62
  5. Step 5: Solve for x
    x = 15,290,475.62/4,654.08
  6. Step 6: Final answer
    x = 3,285.39

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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.