Home / 4,739.52-6,540.72-2,643.60

Finding the Fourth Proportional to 4,739.52, 6,540.72 and 2,643.60

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Solution

The fourth proportional to 4,739.52, 6,540.72 and 2,643.60 is: 3,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.52 : 6,540.72 = 2,643.60 : x
  2. Step 2: Convert to fraction form
    4,739.52/6,540.72 = 2,643.60/x
  3. Step 3: Cross multiply
    4,739.52x = 6,540.72 × 2,643.60
  4. Step 4: Simplify right side
    4,739.52x = 17,291,047.39
  5. Step 5: Solve for x
    x = 17,291,047.39/4,739.52
  6. Step 6: Final answer
    x = 3,648.27

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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.