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Finding the Fourth Proportional to 6,345, 9,518.10 and 2,184.84

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Solution

The fourth proportional to 6,345, 9,518.10 and 2,184.84 is: 3,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345 : 9,518.10 = 2,184.84 : x
  2. Step 2: Convert to fraction form
    6,345/9,518.10 = 2,184.84/x
  3. Step 3: Cross multiply
    6,345x = 9,518.10 × 2,184.84
  4. Step 4: Simplify right side
    6,345x = 20,795,525.60
  5. Step 5: Solve for x
    x = 20,795,525.60/6,345
  6. Step 6: Final answer
    x = 3,277.47

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Double scale
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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.