Home / 6,721.95-10,087.07-4,253.37

Finding the Fourth Proportional to 6,721.95, 10,087.07 and 4,253.37

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Solution

The fourth proportional to 6,721.95, 10,087.07 and 4,253.37 is: 6,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.95 : 10,087.07 = 4,253.37 : x
  2. Step 2: Convert to fraction form
    6,721.95/10,087.07 = 4,253.37/x
  3. Step 3: Cross multiply
    6,721.95x = 10,087.07 × 4,253.37
  4. Step 4: Simplify right side
    6,721.95x = 42,904,019.66
  5. Step 5: Solve for x
    x = 42,904,019.66/6,721.95
  6. Step 6: Final answer
    x = 6,382.67

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1.5x scale

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.