Home / 4,004.80-5,523.52-2,678.08

Finding the Fourth Proportional to 4,004.80, 5,523.52 and 2,678.08

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Solution

The fourth proportional to 4,004.80, 5,523.52 and 2,678.08 is: 3,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.80 : 5,523.52 = 2,678.08 : x
  2. Step 2: Convert to fraction form
    4,004.80/5,523.52 = 2,678.08/x
  3. Step 3: Cross multiply
    4,004.80x = 5,523.52 × 2,678.08
  4. Step 4: Simplify right side
    4,004.80x = 14,792,428.44
  5. Step 5: Solve for x
    x = 14,792,428.44/4,004.80
  6. Step 6: Final answer
    x = 3,693.67

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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.