Home / 4,721.64-6,515.91-2,625.78

Finding the Fourth Proportional to 4,721.64, 6,515.91 and 2,625.78

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Solution

The fourth proportional to 4,721.64, 6,515.91 and 2,625.78 is: 3,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.64 : 6,515.91 = 2,625.78 : x
  2. Step 2: Convert to fraction form
    4,721.64/6,515.91 = 2,625.78/x
  3. Step 3: Cross multiply
    4,721.64x = 6,515.91 × 2,625.78
  4. Step 4: Simplify right side
    4,721.64x = 17,109,346.16
  5. Step 5: Solve for x
    x = 17,109,346.16/4,721.64
  6. Step 6: Final answer
    x = 3,623.60

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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.