Home / 6,955.32-9,597.81-3,970.75

Finding the Fourth Proportional to 6,955.32, 9,597.81 and 3,970.75

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Solution

The fourth proportional to 6,955.32, 9,597.81 and 3,970.75 is: 5,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.32 : 9,597.81 = 3,970.75 : x
  2. Step 2: Convert to fraction form
    6,955.32/9,597.81 = 3,970.75/x
  3. Step 3: Cross multiply
    6,955.32x = 9,597.81 × 3,970.75
  4. Step 4: Simplify right side
    6,955.32x = 38,110,504.06
  5. Step 5: Solve for x
    x = 38,110,504.06/6,955.32
  6. Step 6: Final answer
    x = 5,479.33

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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.