Home / 5,289.52-7,299.86-3,051.80

Finding the Fourth Proportional to 5,289.52, 7,299.86 and 3,051.80

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Solution

The fourth proportional to 5,289.52, 7,299.86 and 3,051.80 is: 4,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.52 : 7,299.86 = 3,051.80 : x
  2. Step 2: Convert to fraction form
    5,289.52/7,299.86 = 3,051.80/x
  3. Step 3: Cross multiply
    5,289.52x = 7,299.86 × 3,051.80
  4. Step 4: Simplify right side
    5,289.52x = 22,277,712.75
  5. Step 5: Solve for x
    x = 22,277,712.75/5,289.52
  6. Step 6: Final answer
    x = 4,211.67

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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.