Home / 7,730.76-10,668.37-4,193.99

Finding the Fourth Proportional to 7,730.76, 10,668.37 and 4,193.99

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Solution

The fourth proportional to 7,730.76, 10,668.37 and 4,193.99 is: 5,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.76 : 10,668.37 = 4,193.99 : x
  2. Step 2: Convert to fraction form
    7,730.76/10,668.37 = 4,193.99/x
  3. Step 3: Cross multiply
    7,730.76x = 10,668.37 × 4,193.99
  4. Step 4: Simplify right side
    7,730.76x = 44,743,037.10
  5. Step 5: Solve for x
    x = 44,743,037.10/7,730.76
  6. Step 6: Final answer
    x = 5,787.66

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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.