Home / 7,054.36-9,735.06-3,910.60

Finding the Fourth Proportional to 7,054.36, 9,735.06 and 3,910.60

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Solution

The fourth proportional to 7,054.36, 9,735.06 and 3,910.60 is: 5,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.36 : 9,735.06 = 3,910.60 : x
  2. Step 2: Convert to fraction form
    7,054.36/9,735.06 = 3,910.60/x
  3. Step 3: Cross multiply
    7,054.36x = 9,735.06 × 3,910.60
  4. Step 4: Simplify right side
    7,054.36x = 38,069,925.64
  5. Step 5: Solve for x
    x = 38,069,925.64/7,054.36
  6. Step 6: Final answer
    x = 5,396.65

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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.