Home / 4,625.40-6,382.62-2,636.40

Finding the Fourth Proportional to 4,625.40, 6,382.62 and 2,636.40

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Solution

The fourth proportional to 4,625.40, 6,382.62 and 2,636.40 is: 3,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.40 : 6,382.62 = 2,636.40 : x
  2. Step 2: Convert to fraction form
    4,625.40/6,382.62 = 2,636.40/x
  3. Step 3: Cross multiply
    4,625.40x = 6,382.62 × 2,636.40
  4. Step 4: Simplify right side
    4,625.40x = 16,827,139.37
  5. Step 5: Solve for x
    x = 16,827,139.37/4,625.40
  6. Step 6: Final answer
    x = 3,637.99

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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.