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Finding the Fourth Proportional to 5,989.76, 8,986.08 and 1,885.76

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Solution

The fourth proportional to 5,989.76, 8,986.08 and 1,885.76 is: 2,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.76 : 8,986.08 = 1,885.76 : x
  2. Step 2: Convert to fraction form
    5,989.76/8,986.08 = 1,885.76/x
  3. Step 3: Cross multiply
    5,989.76x = 8,986.08 × 1,885.76
  4. Step 4: Simplify right side
    5,989.76x = 16,945,590.22
  5. Step 5: Solve for x
    x = 16,945,590.22/5,989.76
  6. Step 6: Final answer
    x = 2,829.09

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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.