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Finding the Fourth Proportional to 6,534.77, 9,801.39 and 1,855.19

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Solution

The fourth proportional to 6,534.77, 9,801.39 and 1,855.19 is: 2,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.77 : 9,801.39 = 1,855.19 : x
  2. Step 2: Convert to fraction form
    6,534.77/9,801.39 = 1,855.19/x
  3. Step 3: Cross multiply
    6,534.77x = 9,801.39 × 1,855.19
  4. Step 4: Simplify right side
    6,534.77x = 18,183,440.71
  5. Step 5: Solve for x
    x = 18,183,440.71/6,534.77
  6. Step 6: Final answer
    x = 2,782.57

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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.