Home / 4,739.59-6,540.65-2,643.85

Finding the Fourth Proportional to 4,739.59, 6,540.65 and 2,643.85

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Solution

The fourth proportional to 4,739.59, 6,540.65 and 2,643.85 is: 3,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.59 : 6,540.65 = 2,643.85 : x
  2. Step 2: Convert to fraction form
    4,739.59/6,540.65 = 2,643.85/x
  3. Step 3: Cross multiply
    4,739.59x = 6,540.65 × 2,643.85
  4. Step 4: Simplify right side
    4,739.59x = 17,292,497.50
  5. Step 5: Solve for x
    x = 17,292,497.50/4,739.59
  6. Step 6: Final answer
    x = 3,648.52

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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.