Home / 4,738.96-6,539.40-2,642.80

Finding the Fourth Proportional to 4,738.96, 6,539.40 and 2,642.80

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Solution

The fourth proportional to 4,738.96, 6,539.40 and 2,642.80 is: 3,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.96 : 6,539.40 = 2,642.80 : x
  2. Step 2: Convert to fraction form
    4,738.96/6,539.40 = 2,642.80/x
  3. Step 3: Cross multiply
    4,738.96x = 6,539.40 × 2,642.80
  4. Step 4: Simplify right side
    4,738.96x = 17,282,326.32
  5. Step 5: Solve for x
    x = 17,282,326.32/4,738.96
  6. Step 6: Final answer
    x = 3,646.86

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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.