Home / 5,237.13-7,226.78-2,879.22

Finding the Fourth Proportional to 5,237.13, 7,226.78 and 2,879.22

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Solution

The fourth proportional to 5,237.13, 7,226.78 and 2,879.22 is: 3,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.13 : 7,226.78 = 2,879.22 : x
  2. Step 2: Convert to fraction form
    5,237.13/7,226.78 = 2,879.22/x
  3. Step 3: Cross multiply
    5,237.13x = 7,226.78 × 2,879.22
  4. Step 4: Simplify right side
    5,237.13x = 20,807,475.12
  5. Step 5: Solve for x
    x = 20,807,475.12/5,237.13
  6. Step 6: Final answer
    x = 3,973.07

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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.