Home / 8,069.72-11,139.36-5,084.97

Finding the Fourth Proportional to 8,069.72, 11,139.36 and 5,084.97

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Solution

The fourth proportional to 8,069.72, 11,139.36 and 5,084.97 is: 7,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.72 : 11,139.36 = 5,084.97 : x
  2. Step 2: Convert to fraction form
    8,069.72/11,139.36 = 5,084.97/x
  3. Step 3: Cross multiply
    8,069.72x = 11,139.36 × 5,084.97
  4. Step 4: Simplify right side
    8,069.72x = 56,643,285.99
  5. Step 5: Solve for x
    x = 56,643,285.99/8,069.72
  6. Step 6: Final answer
    x = 7,019.24

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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.