Home / 4,629.91-6,388.01-2,639.74

Finding the Fourth Proportional to 4,629.91, 6,388.01 and 2,639.74

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Solution

The fourth proportional to 4,629.91, 6,388.01 and 2,639.74 is: 3,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.91 : 6,388.01 = 2,639.74 : x
  2. Step 2: Convert to fraction form
    4,629.91/6,388.01 = 2,639.74/x
  3. Step 3: Cross multiply
    4,629.91x = 6,388.01 × 2,639.74
  4. Step 4: Simplify right side
    4,629.91x = 16,862,656.35
  5. Step 5: Solve for x
    x = 16,862,656.35/4,629.91
  6. Step 6: Final answer
    x = 3,642.12

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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.