Home / 5,017.36-6,923.98-2,809.36

Finding the Fourth Proportional to 5,017.36, 6,923.98 and 2,809.36

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Solution

The fourth proportional to 5,017.36, 6,923.98 and 2,809.36 is: 3,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.36 : 6,923.98 = 2,809.36 : x
  2. Step 2: Convert to fraction form
    5,017.36/6,923.98 = 2,809.36/x
  3. Step 3: Cross multiply
    5,017.36x = 6,923.98 × 2,809.36
  4. Step 4: Simplify right side
    5,017.36x = 19,451,952.45
  5. Step 5: Solve for x
    x = 19,451,952.45/5,017.36
  6. Step 6: Final answer
    x = 3,876.93

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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.