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Finding the Fourth Proportional to 6,425, 8,866.77 and 3,630.50

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Solution

The fourth proportional to 6,425, 8,866.77 and 3,630.50 is: 5,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425 : 8,866.77 = 3,630.50 : x
  2. Step 2: Convert to fraction form
    6,425/8,866.77 = 3,630.50/x
  3. Step 3: Cross multiply
    6,425x = 8,866.77 × 3,630.50
  4. Step 4: Simplify right side
    6,425x = 32,190,808.49
  5. Step 5: Solve for x
    x = 32,190,808.49/6,425
  6. Step 6: Final answer
    x = 5,010.24

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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.