Home / 8,018.16-11,065.07-5,371.89

Finding the Fourth Proportional to 8,018.16, 11,065.07 and 5,371.89

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Solution

The fourth proportional to 8,018.16, 11,065.07 and 5,371.89 is: 7,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.16 : 11,065.07 = 5,371.89 : x
  2. Step 2: Convert to fraction form
    8,018.16/11,065.07 = 5,371.89/x
  3. Step 3: Cross multiply
    8,018.16x = 11,065.07 × 5,371.89
  4. Step 4: Simplify right side
    8,018.16x = 59,440,310.82
  5. Step 5: Solve for x
    x = 59,440,310.82/8,018.16
  6. Step 6: Final answer
    x = 7,413.21

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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.