Home / 4,874.84-6,727.28-2,636.72

Finding the Fourth Proportional to 4,874.84, 6,727.28 and 2,636.72

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Solution

The fourth proportional to 4,874.84, 6,727.28 and 2,636.72 is: 3,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.84 : 6,727.28 = 2,636.72 : x
  2. Step 2: Convert to fraction form
    4,874.84/6,727.28 = 2,636.72/x
  3. Step 3: Cross multiply
    4,874.84x = 6,727.28 × 2,636.72
  4. Step 4: Simplify right side
    4,874.84x = 17,737,920.09
  5. Step 5: Solve for x
    x = 17,737,920.09/4,874.84
  6. Step 6: Final answer
    x = 3,638.67

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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.