Home / 4,654.98-6,980.24-2,187.72

Finding the Fourth Proportional to 4,654.98, 6,980.24 and 2,187.72

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Solution

The fourth proportional to 4,654.98, 6,980.24 and 2,187.72 is: 3,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.98 : 6,980.24 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    4,654.98/6,980.24 = 2,187.72/x
  3. Step 3: Cross multiply
    4,654.98x = 6,980.24 × 2,187.72
  4. Step 4: Simplify right side
    4,654.98x = 15,270,810.65
  5. Step 5: Solve for x
    x = 15,270,810.65/4,654.98
  6. Step 6: Final answer
    x = 3,280.53

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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.