Home / 5,228.18-7,834.90-2,889.25

Finding the Fourth Proportional to 5,228.18, 7,834.90 and 2,889.25

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Solution

The fourth proportional to 5,228.18, 7,834.90 and 2,889.25 is: 4,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.18 : 7,834.90 = 2,889.25 : x
  2. Step 2: Convert to fraction form
    5,228.18/7,834.90 = 2,889.25/x
  3. Step 3: Cross multiply
    5,228.18x = 7,834.90 × 2,889.25
  4. Step 4: Simplify right side
    5,228.18x = 22,636,984.83
  5. Step 5: Solve for x
    x = 22,636,984.83/5,228.18
  6. Step 6: Final answer
    x = 4,329.80

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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.