Home / 7,880.67-11,811.27-4,370.52

Finding the Fourth Proportional to 7,880.67, 11,811.27 and 4,370.52

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Solution

The fourth proportional to 7,880.67, 11,811.27 and 4,370.52 is: 6,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.67 : 11,811.27 = 4,370.52 : x
  2. Step 2: Convert to fraction form
    7,880.67/11,811.27 = 4,370.52/x
  3. Step 3: Cross multiply
    7,880.67x = 11,811.27 × 4,370.52
  4. Step 4: Simplify right side
    7,880.67x = 51,621,391.76
  5. Step 5: Solve for x
    x = 51,621,391.76/7,880.67
  6. Step 6: Final answer
    x = 6,550.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.