Home / 4,886.90-6,742.76-2,762.48

Finding the Fourth Proportional to 4,886.90, 6,742.76 and 2,762.48

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Solution

The fourth proportional to 4,886.90, 6,742.76 and 2,762.48 is: 3,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.90 : 6,742.76 = 2,762.48 : x
  2. Step 2: Convert to fraction form
    4,886.90/6,742.76 = 2,762.48/x
  3. Step 3: Cross multiply
    4,886.90x = 6,742.76 × 2,762.48
  4. Step 4: Simplify right side
    4,886.90x = 18,626,739.64
  5. Step 5: Solve for x
    x = 18,626,739.64/4,886.90
  6. Step 6: Final answer
    x = 3,811.57

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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.