Home / 5,981.64-8,973.60-2,087.16

Finding the Fourth Proportional to 5,981.64, 8,973.60 and 2,087.16

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Solution

The fourth proportional to 5,981.64, 8,973.60 and 2,087.16 is: 3,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.64 : 8,973.60 = 2,087.16 : x
  2. Step 2: Convert to fraction form
    5,981.64/8,973.60 = 2,087.16/x
  3. Step 3: Cross multiply
    5,981.64x = 8,973.60 × 2,087.16
  4. Step 4: Simplify right side
    5,981.64x = 18,729,338.98
  5. Step 5: Solve for x
    x = 18,729,338.98/5,981.64
  6. Step 6: Final answer
    x = 3,131.14

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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.