Home / 4,939.36-7,398.16-3,555.40

Finding the Fourth Proportional to 4,939.36, 7,398.16 and 3,555.40

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Solution

The fourth proportional to 4,939.36, 7,398.16 and 3,555.40 is: 5,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.36 : 7,398.16 = 3,555.40 : x
  2. Step 2: Convert to fraction form
    4,939.36/7,398.16 = 3,555.40/x
  3. Step 3: Cross multiply
    4,939.36x = 7,398.16 × 3,555.40
  4. Step 4: Simplify right side
    4,939.36x = 26,303,418.06
  5. Step 5: Solve for x
    x = 26,303,418.06/4,939.36
  6. Step 6: Final answer
    x = 5,325.27

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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.