Home / 4,528.64-6,820.16-3,986.80

Finding the Fourth Proportional to 4,528.64, 6,820.16 and 3,986.80

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Solution

The fourth proportional to 4,528.64, 6,820.16 and 3,986.80 is: 6,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.64 : 6,820.16 = 3,986.80 : x
  2. Step 2: Convert to fraction form
    4,528.64/6,820.16 = 3,986.80/x
  3. Step 3: Cross multiply
    4,528.64x = 6,820.16 × 3,986.80
  4. Step 4: Simplify right side
    4,528.64x = 27,190,613.89
  5. Step 5: Solve for x
    x = 27,190,613.89/4,528.64
  6. Step 6: Final answer
    x = 6,004.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.