Home / 5,288.40-7,297.92-2,930.16

Finding the Fourth Proportional to 5,288.40, 7,297.92 and 2,930.16

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Solution

The fourth proportional to 5,288.40, 7,297.92 and 2,930.16 is: 4,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.40 : 7,297.92 = 2,930.16 : x
  2. Step 2: Convert to fraction form
    5,288.40/7,297.92 = 2,930.16/x
  3. Step 3: Cross multiply
    5,288.40x = 7,297.92 × 2,930.16
  4. Step 4: Simplify right side
    5,288.40x = 21,384,073.27
  5. Step 5: Solve for x
    x = 21,384,073.27/5,288.40
  6. Step 6: Final answer
    x = 4,043.58

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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.