Home / 6,837.51-10,256.26-3,913.78

Finding the Fourth Proportional to 6,837.51, 10,256.26 and 3,913.78

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Solution

The fourth proportional to 6,837.51, 10,256.26 and 3,913.78 is: 5,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.51 : 10,256.26 = 3,913.78 : x
  2. Step 2: Convert to fraction form
    6,837.51/10,256.26 = 3,913.78/x
  3. Step 3: Cross multiply
    6,837.51x = 10,256.26 × 3,913.78
  4. Step 4: Simplify right side
    6,837.51x = 40,140,745.26
  5. Step 5: Solve for x
    x = 40,140,745.26/6,837.51
  6. Step 6: Final answer
    x = 5,870.67

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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.