Home / 7,896.40-10,896.96-4,359.67

Finding the Fourth Proportional to 7,896.40, 10,896.96 and 4,359.67

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Solution

The fourth proportional to 7,896.40, 10,896.96 and 4,359.67 is: 6,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.40 : 10,896.96 = 4,359.67 : x
  2. Step 2: Convert to fraction form
    7,896.40/10,896.96 = 4,359.67/x
  3. Step 3: Cross multiply
    7,896.40x = 10,896.96 × 4,359.67
  4. Step 4: Simplify right side
    7,896.40x = 47,507,149.60
  5. Step 5: Solve for x
    x = 47,507,149.60/7,896.40
  6. Step 6: Final answer
    x = 6,016.30

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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.