Home / 5,268.39-7,270.37-3,030.21

Finding the Fourth Proportional to 5,268.39, 7,270.37 and 3,030.21

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Solution

The fourth proportional to 5,268.39, 7,270.37 and 3,030.21 is: 4,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.39 : 7,270.37 = 3,030.21 : x
  2. Step 2: Convert to fraction form
    5,268.39/7,270.37 = 3,030.21/x
  3. Step 3: Cross multiply
    5,268.39x = 7,270.37 × 3,030.21
  4. Step 4: Simplify right side
    5,268.39x = 22,030,707.74
  5. Step 5: Solve for x
    x = 22,030,707.74/5,268.39
  6. Step 6: Final answer
    x = 4,181.68

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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.