Home / 5,355.36-7,389.90-2,996.64

Finding the Fourth Proportional to 5,355.36, 7,389.90 and 2,996.64

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Solution

The fourth proportional to 5,355.36, 7,389.90 and 2,996.64 is: 4,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.36 : 7,389.90 = 2,996.64 : x
  2. Step 2: Convert to fraction form
    5,355.36/7,389.90 = 2,996.64/x
  3. Step 3: Cross multiply
    5,355.36x = 7,389.90 × 2,996.64
  4. Step 4: Simplify right side
    5,355.36x = 22,144,869.94
  5. Step 5: Solve for x
    x = 22,144,869.94/5,355.36
  6. Step 6: Final answer
    x = 4,135.09

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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.