Home / 5,651.31-7,800.30-3,261.63

Finding the Fourth Proportional to 5,651.31, 7,800.30 and 3,261.63

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Solution

The fourth proportional to 5,651.31, 7,800.30 and 3,261.63 is: 4,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.31 : 7,800.30 = 3,261.63 : x
  2. Step 2: Convert to fraction form
    5,651.31/7,800.30 = 3,261.63/x
  3. Step 3: Cross multiply
    5,651.31x = 7,800.30 × 3,261.63
  4. Step 4: Simplify right side
    5,651.31x = 25,441,692.49
  5. Step 5: Solve for x
    x = 25,441,692.49/5,651.31
  6. Step 6: Final answer
    x = 4,501.91

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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.