Home / 6,511.06-9,754.35-3,220.30

Finding the Fourth Proportional to 6,511.06, 9,754.35 and 3,220.30

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Solution

The fourth proportional to 6,511.06, 9,754.35 and 3,220.30 is: 4,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.06 : 9,754.35 = 3,220.30 : x
  2. Step 2: Convert to fraction form
    6,511.06/9,754.35 = 3,220.30/x
  3. Step 3: Cross multiply
    6,511.06x = 9,754.35 × 3,220.30
  4. Step 4: Simplify right side
    6,511.06x = 31,411,933.31
  5. Step 5: Solve for x
    x = 31,411,933.31/6,511.06
  6. Step 6: Final answer
    x = 4,824.40

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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.