Home / 7,921.20-10,930.44-4,563.35

Finding the Fourth Proportional to 7,921.20, 10,930.44 and 4,563.35

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Solution

The fourth proportional to 7,921.20, 10,930.44 and 4,563.35 is: 6,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.20 : 10,930.44 = 4,563.35 : x
  2. Step 2: Convert to fraction form
    7,921.20/10,930.44 = 4,563.35/x
  3. Step 3: Cross multiply
    7,921.20x = 10,930.44 × 4,563.35
  4. Step 4: Simplify right side
    7,921.20x = 49,879,423.37
  5. Step 5: Solve for x
    x = 49,879,423.37/7,921.20
  6. Step 6: Final answer
    x = 6,296.95

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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.