Home / 4,889.73-6,737.25-3,315.09

Finding the Fourth Proportional to 4,889.73, 6,737.25 and 3,315.09

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Solution

The fourth proportional to 4,889.73, 6,737.25 and 3,315.09 is: 4,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.73 : 6,737.25 = 3,315.09 : x
  2. Step 2: Convert to fraction form
    4,889.73/6,737.25 = 3,315.09/x
  3. Step 3: Cross multiply
    4,889.73x = 6,737.25 × 3,315.09
  4. Step 4: Simplify right side
    4,889.73x = 22,334,590.10
  5. Step 5: Solve for x
    x = 22,334,590.10/4,889.73
  6. Step 6: Final answer
    x = 4,567.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.