Home / 4,802.85-6,628.91-2,815.11

Finding the Fourth Proportional to 4,802.85, 6,628.91 and 2,815.11

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Solution

The fourth proportional to 4,802.85, 6,628.91 and 2,815.11 is: 3,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.85 : 6,628.91 = 2,815.11 : x
  2. Step 2: Convert to fraction form
    4,802.85/6,628.91 = 2,815.11/x
  3. Step 3: Cross multiply
    4,802.85x = 6,628.91 × 2,815.11
  4. Step 4: Simplify right side
    4,802.85x = 18,661,096.75
  5. Step 5: Solve for x
    x = 18,661,096.75/4,802.85
  6. Step 6: Final answer
    x = 3,885.42

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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.