Home / 7,017.88-10,518.62-3,897.16

Finding the Fourth Proportional to 7,017.88, 10,518.62 and 3,897.16

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Solution

The fourth proportional to 7,017.88, 10,518.62 and 3,897.16 is: 5,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.88 : 10,518.62 = 3,897.16 : x
  2. Step 2: Convert to fraction form
    7,017.88/10,518.62 = 3,897.16/x
  3. Step 3: Cross multiply
    7,017.88x = 10,518.62 × 3,897.16
  4. Step 4: Simplify right side
    7,017.88x = 40,992,745.12
  5. Step 5: Solve for x
    x = 40,992,745.12/7,017.88
  6. Step 6: Final answer
    x = 5,841.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.