Home / 5,355.10-7,389.37-2,996.66

Finding the Fourth Proportional to 5,355.10, 7,389.37 and 2,996.66

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Solution

The fourth proportional to 5,355.10, 7,389.37 and 2,996.66 is: 4,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.10 : 7,389.37 = 2,996.66 : x
  2. Step 2: Convert to fraction form
    5,355.10/7,389.37 = 2,996.66/x
  3. Step 3: Cross multiply
    5,355.10x = 7,389.37 × 2,996.66
  4. Step 4: Simplify right side
    5,355.10x = 22,143,429.50
  5. Step 5: Solve for x
    x = 22,143,429.50/5,355.10
  6. Step 6: Final answer
    x = 4,135.02

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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.