Home / 4,721.63-6,515.85-2,625.75

Finding the Fourth Proportional to 4,721.63, 6,515.85 and 2,625.75

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Solution

The fourth proportional to 4,721.63, 6,515.85 and 2,625.75 is: 3,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.63 : 6,515.85 = 2,625.75 : x
  2. Step 2: Convert to fraction form
    4,721.63/6,515.85 = 2,625.75/x
  3. Step 3: Cross multiply
    4,721.63x = 6,515.85 × 2,625.75
  4. Step 4: Simplify right side
    4,721.63x = 17,108,993.14
  5. Step 5: Solve for x
    x = 17,108,993.14/4,721.63
  6. Step 6: Final answer
    x = 3,623.54

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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.