Home / 5,985.02-8,981.64-2,089.42

Finding the Fourth Proportional to 5,985.02, 8,981.64 and 2,089.42

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Solution

The fourth proportional to 5,985.02, 8,981.64 and 2,089.42 is: 3,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.02 : 8,981.64 = 2,089.42 : x
  2. Step 2: Convert to fraction form
    5,985.02/8,981.64 = 2,089.42/x
  3. Step 3: Cross multiply
    5,985.02x = 8,981.64 × 2,089.42
  4. Step 4: Simplify right side
    5,985.02x = 18,766,418.25
  5. Step 5: Solve for x
    x = 18,766,418.25/5,985.02
  6. Step 6: Final answer
    x = 3,135.56

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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.