Home / 5,985.66-8,977.42-2,091.18

Finding the Fourth Proportional to 5,985.66, 8,977.42 and 2,091.18

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Solution

The fourth proportional to 5,985.66, 8,977.42 and 2,091.18 is: 3,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.66 : 8,977.42 = 2,091.18 : x
  2. Step 2: Convert to fraction form
    5,985.66/8,977.42 = 2,091.18/x
  3. Step 3: Cross multiply
    5,985.66x = 8,977.42 × 2,091.18
  4. Step 4: Simplify right side
    5,985.66x = 18,773,401.16
  5. Step 5: Solve for x
    x = 18,773,401.16/5,985.66
  6. Step 6: Final answer
    x = 3,136.40

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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.