Home / 5,485.32-8,268.15-4,993.20

Finding the Fourth Proportional to 5,485.32, 8,268.15 and 4,993.20

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Solution

The fourth proportional to 5,485.32, 8,268.15 and 4,993.20 is: 7,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.32 : 8,268.15 = 4,993.20 : x
  2. Step 2: Convert to fraction form
    5,485.32/8,268.15 = 4,993.20/x
  3. Step 3: Cross multiply
    5,485.32x = 8,268.15 × 4,993.20
  4. Step 4: Simplify right side
    5,485.32x = 41,284,526.58
  5. Step 5: Solve for x
    x = 41,284,526.58/5,485.32
  6. Step 6: Final answer
    x = 7,526.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.