Home / 4,629.09-6,931.62-3,886.99

Finding the Fourth Proportional to 4,629.09, 6,931.62 and 3,886.99

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Solution

The fourth proportional to 4,629.09, 6,931.62 and 3,886.99 is: 5,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.09 : 6,931.62 = 3,886.99 : x
  2. Step 2: Convert to fraction form
    4,629.09/6,931.62 = 3,886.99/x
  3. Step 3: Cross multiply
    4,629.09x = 6,931.62 × 3,886.99
  4. Step 4: Simplify right side
    4,629.09x = 26,943,173.72
  5. Step 5: Solve for x
    x = 26,943,173.72/4,629.09
  6. Step 6: Final answer
    x = 5,820.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.