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Finding the Fourth Proportional to 5,989.80, 8,987.90 and 2,703.40

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Solution

The fourth proportional to 5,989.80, 8,987.90 and 2,703.40 is: 4,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.80 : 8,987.90 = 2,703.40 : x
  2. Step 2: Convert to fraction form
    5,989.80/8,987.90 = 2,703.40/x
  3. Step 3: Cross multiply
    5,989.80x = 8,987.90 × 2,703.40
  4. Step 4: Simplify right side
    5,989.80x = 24,297,888.86
  5. Step 5: Solve for x
    x = 24,297,888.86/5,989.80
  6. Step 6: Final answer
    x = 4,056.54

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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.