Home / 7,636.77-11,457.98-2,443.05

Finding the Fourth Proportional to 7,636.77, 11,457.98 and 2,443.05

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Solution

The fourth proportional to 7,636.77, 11,457.98 and 2,443.05 is: 3,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.77 : 11,457.98 = 2,443.05 : x
  2. Step 2: Convert to fraction form
    7,636.77/11,457.98 = 2,443.05/x
  3. Step 3: Cross multiply
    7,636.77x = 11,457.98 × 2,443.05
  4. Step 4: Simplify right side
    7,636.77x = 27,992,418.04
  5. Step 5: Solve for x
    x = 27,992,418.04/7,636.77
  6. Step 6: Final answer
    x = 3,665.48

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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.