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Finding the Fourth Proportional to 4,979.51, 7,466.90 and 2,900.09

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Solution

The fourth proportional to 4,979.51, 7,466.90 and 2,900.09 is: 4,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.51 : 7,466.90 = 2,900.09 : x
  2. Step 2: Convert to fraction form
    4,979.51/7,466.90 = 2,900.09/x
  3. Step 3: Cross multiply
    4,979.51x = 7,466.90 × 2,900.09
  4. Step 4: Simplify right side
    4,979.51x = 21,654,686.19
  5. Step 5: Solve for x
    x = 21,654,686.19/4,979.51
  6. Step 6: Final answer
    x = 4,348.76

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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.