Home / 7,054.80-9,735.24-3,911.44

Finding the Fourth Proportional to 7,054.80, 9,735.24 and 3,911.44

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Solution

The fourth proportional to 7,054.80, 9,735.24 and 3,911.44 is: 5,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.80 : 9,735.24 = 3,911.44 : x
  2. Step 2: Convert to fraction form
    7,054.80/9,735.24 = 3,911.44/x
  3. Step 3: Cross multiply
    7,054.80x = 9,735.24 × 3,911.44
  4. Step 4: Simplify right side
    7,054.80x = 38,078,807.15
  5. Step 5: Solve for x
    x = 38,078,807.15/7,054.80
  6. Step 6: Final answer
    x = 5,397.57

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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.