Home / 5,288.18-7,297.81-2,930.42

Finding the Fourth Proportional to 5,288.18, 7,297.81 and 2,930.42

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Solution

The fourth proportional to 5,288.18, 7,297.81 and 2,930.42 is: 4,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.18 : 7,297.81 = 2,930.42 : x
  2. Step 2: Convert to fraction form
    5,288.18/7,297.81 = 2,930.42/x
  3. Step 3: Cross multiply
    5,288.18x = 7,297.81 × 2,930.42
  4. Step 4: Simplify right side
    5,288.18x = 21,385,648.38
  5. Step 5: Solve for x
    x = 21,385,648.38/5,288.18
  6. Step 6: Final answer
    x = 4,044.05

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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.