Home / 4,739.75-6,540.88-2,615.35

Finding the Fourth Proportional to 4,739.75, 6,540.88 and 2,615.35

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Solution

The fourth proportional to 4,739.75, 6,540.88 and 2,615.35 is: 3,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.75 : 6,540.88 = 2,615.35 : x
  2. Step 2: Convert to fraction form
    4,739.75/6,540.88 = 2,615.35/x
  3. Step 3: Cross multiply
    4,739.75x = 6,540.88 × 2,615.35
  4. Step 4: Simplify right side
    4,739.75x = 17,106,690.51
  5. Step 5: Solve for x
    x = 17,106,690.51/4,739.75
  6. Step 6: Final answer
    x = 3,609.20

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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.