Home / 5,268.48-7,889.76-4,240.32

Finding the Fourth Proportional to 5,268.48, 7,889.76 and 4,240.32

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Solution

The fourth proportional to 5,268.48, 7,889.76 and 4,240.32 is: 6,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.48 : 7,889.76 = 4,240.32 : x
  2. Step 2: Convert to fraction form
    5,268.48/7,889.76 = 4,240.32/x
  3. Step 3: Cross multiply
    5,268.48x = 7,889.76 × 4,240.32
  4. Step 4: Simplify right side
    5,268.48x = 33,455,107.12
  5. Step 5: Solve for x
    x = 33,455,107.12/5,268.48
  6. Step 6: Final answer
    x = 6,350.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.