Home / 7,625.10-11,436.47-2,078.89

Finding the Fourth Proportional to 7,625.10, 11,436.47 and 2,078.89

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Solution

The fourth proportional to 7,625.10, 11,436.47 and 2,078.89 is: 3,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.10 : 11,436.47 = 2,078.89 : x
  2. Step 2: Convert to fraction form
    7,625.10/11,436.47 = 2,078.89/x
  3. Step 3: Cross multiply
    7,625.10x = 11,436.47 × 2,078.89
  4. Step 4: Simplify right side
    7,625.10x = 23,775,139.72
  5. Step 5: Solve for x
    x = 23,775,139.72/7,625.10
  6. Step 6: Final answer
    x = 3,118.01

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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.