Home / 6,970.23-9,619.11-3,945.11

Finding the Fourth Proportional to 6,970.23, 9,619.11 and 3,945.11

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Solution

The fourth proportional to 6,970.23, 9,619.11 and 3,945.11 is: 5,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.23 : 9,619.11 = 3,945.11 : x
  2. Step 2: Convert to fraction form
    6,970.23/9,619.11 = 3,945.11/x
  3. Step 3: Cross multiply
    6,970.23x = 9,619.11 × 3,945.11
  4. Step 4: Simplify right side
    6,970.23x = 37,948,447.05
  5. Step 5: Solve for x
    x = 37,948,447.05/6,970.23
  6. Step 6: Final answer
    x = 5,444.36

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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.