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Finding the Fourth Proportional to 6,759.77, 9,328.91 and 3,776.00

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Solution

The fourth proportional to 6,759.77, 9,328.91 and 3,776.00 is: 5,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.77 : 9,328.91 = 3,776.00 : x
  2. Step 2: Convert to fraction form
    6,759.77/9,328.91 = 3,776.00/x
  3. Step 3: Cross multiply
    6,759.77x = 9,328.91 × 3,776.00
  4. Step 4: Simplify right side
    6,759.77x = 35,225,898.64
  5. Step 5: Solve for x
    x = 35,225,898.64/6,759.77
  6. Step 6: Final answer
    x = 5,211.11

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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.