Home / 4,721.08-6,515.10-2,625.28

Finding the Fourth Proportional to 4,721.08, 6,515.10 and 2,625.28

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Solution

The fourth proportional to 4,721.08, 6,515.10 and 2,625.28 is: 3,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.08 : 6,515.10 = 2,625.28 : x
  2. Step 2: Convert to fraction form
    4,721.08/6,515.10 = 2,625.28/x
  3. Step 3: Cross multiply
    4,721.08x = 6,515.10 × 2,625.28
  4. Step 4: Simplify right side
    4,721.08x = 17,103,961.73
  5. Step 5: Solve for x
    x = 17,103,961.73/4,721.08
  6. Step 6: Final answer
    x = 3,622.89

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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.