Home / 4,725.64-6,521.43-2,629.78

Finding the Fourth Proportional to 4,725.64, 6,521.43 and 2,629.78

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Solution

The fourth proportional to 4,725.64, 6,521.43 and 2,629.78 is: 3,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.64 : 6,521.43 = 2,629.78 : x
  2. Step 2: Convert to fraction form
    4,725.64/6,521.43 = 2,629.78/x
  3. Step 3: Cross multiply
    4,725.64x = 6,521.43 × 2,629.78
  4. Step 4: Simplify right side
    4,725.64x = 17,149,926.19
  5. Step 5: Solve for x
    x = 17,149,926.19/4,725.64
  6. Step 6: Final answer
    x = 3,629.12

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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.