Home / 7,286.56-10,059.60-4,809.76

Finding the Fourth Proportional to 7,286.56, 10,059.60 and 4,809.76

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Solution

The fourth proportional to 7,286.56, 10,059.60 and 4,809.76 is: 6,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.56 : 10,059.60 = 4,809.76 : x
  2. Step 2: Convert to fraction form
    7,286.56/10,059.60 = 4,809.76/x
  3. Step 3: Cross multiply
    7,286.56x = 10,059.60 × 4,809.76
  4. Step 4: Simplify right side
    7,286.56x = 48,384,261.70
  5. Step 5: Solve for x
    x = 48,384,261.70/7,286.56
  6. Step 6: Final answer
    x = 6,640.21

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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.