Home / 6,511.72-9,763.26-2,127.64

Finding the Fourth Proportional to 6,511.72, 9,763.26 and 2,127.64

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Solution

The fourth proportional to 6,511.72, 9,763.26 and 2,127.64 is: 3,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.72 : 9,763.26 = 2,127.64 : x
  2. Step 2: Convert to fraction form
    6,511.72/9,763.26 = 2,127.64/x
  3. Step 3: Cross multiply
    6,511.72x = 9,763.26 × 2,127.64
  4. Step 4: Simplify right side
    6,511.72x = 20,772,702.51
  5. Step 5: Solve for x
    x = 20,772,702.51/6,511.72
  6. Step 6: Final answer
    x = 3,190.05

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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.