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Finding the Fourth Proportional to 6,365.50, 8,784.39 and 3,570.94

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Solution

The fourth proportional to 6,365.50, 8,784.39 and 3,570.94 is: 4,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.50 : 8,784.39 = 3,570.94 : x
  2. Step 2: Convert to fraction form
    6,365.50/8,784.39 = 3,570.94/x
  3. Step 3: Cross multiply
    6,365.50x = 8,784.39 × 3,570.94
  4. Step 4: Simplify right side
    6,365.50x = 31,368,529.63
  5. Step 5: Solve for x
    x = 31,368,529.63/6,365.50
  6. Step 6: Final answer
    x = 4,927.90

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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.