Home / 5,909.48-8,869.66-2,989.84

Finding the Fourth Proportional to 5,909.48, 8,869.66 and 2,989.84

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Solution

The fourth proportional to 5,909.48, 8,869.66 and 2,989.84 is: 4,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.48 : 8,869.66 = 2,989.84 : x
  2. Step 2: Convert to fraction form
    5,909.48/8,869.66 = 2,989.84/x
  3. Step 3: Cross multiply
    5,909.48x = 8,869.66 × 2,989.84
  4. Step 4: Simplify right side
    5,909.48x = 26,518,864.25
  5. Step 5: Solve for x
    x = 26,518,864.25/5,909.48
  6. Step 6: Final answer
    x = 4,487.51

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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.