Home / 7,768.56-10,721.63-4,624.75

Finding the Fourth Proportional to 7,768.56, 10,721.63 and 4,624.75

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Solution

The fourth proportional to 7,768.56, 10,721.63 and 4,624.75 is: 6,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.56 : 10,721.63 = 4,624.75 : x
  2. Step 2: Convert to fraction form
    7,768.56/10,721.63 = 4,624.75/x
  3. Step 3: Cross multiply
    7,768.56x = 10,721.63 × 4,624.75
  4. Step 4: Simplify right side
    7,768.56x = 49,584,858.34
  5. Step 5: Solve for x
    x = 49,584,858.34/7,768.56
  6. Step 6: Final answer
    x = 6,382.76

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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.