Home / 7,313.32-10,969.34-2,118.44

Finding the Fourth Proportional to 7,313.32, 10,969.34 and 2,118.44

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Solution

The fourth proportional to 7,313.32, 10,969.34 and 2,118.44 is: 3,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.32 : 10,969.34 = 2,118.44 : x
  2. Step 2: Convert to fraction form
    7,313.32/10,969.34 = 2,118.44/x
  3. Step 3: Cross multiply
    7,313.32x = 10,969.34 × 2,118.44
  4. Step 4: Simplify right side
    7,313.32x = 23,237,888.63
  5. Step 5: Solve for x
    x = 23,237,888.63/7,313.32
  6. Step 6: Final answer
    x = 3,177.47

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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.