Home / 4,721.55-6,511.77-3,977.25

Finding the Fourth Proportional to 4,721.55, 6,511.77 and 3,977.25

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Solution

The fourth proportional to 4,721.55, 6,511.77 and 3,977.25 is: 5,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.55 : 6,511.77 = 3,977.25 : x
  2. Step 2: Convert to fraction form
    4,721.55/6,511.77 = 3,977.25/x
  3. Step 3: Cross multiply
    4,721.55x = 6,511.77 × 3,977.25
  4. Step 4: Simplify right side
    4,721.55x = 25,898,937.23
  5. Step 5: Solve for x
    x = 25,898,937.23/4,721.55
  6. Step 6: Final answer
    x = 5,485.26

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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.