Home / 5,288.32-7,297.60-2,930.40

Finding the Fourth Proportional to 5,288.32, 7,297.60 and 2,930.40

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Solution

The fourth proportional to 5,288.32, 7,297.60 and 2,930.40 is: 4,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.32 : 7,297.60 = 2,930.40 : x
  2. Step 2: Convert to fraction form
    5,288.32/7,297.60 = 2,930.40/x
  3. Step 3: Cross multiply
    5,288.32x = 7,297.60 × 2,930.40
  4. Step 4: Simplify right side
    5,288.32x = 21,384,887.04
  5. Step 5: Solve for x
    x = 21,384,887.04/5,288.32
  6. Step 6: Final answer
    x = 4,043.80

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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.