Home / 7,748.10-10,692.70-4,390.88

Finding the Fourth Proportional to 7,748.10, 10,692.70 and 4,390.88

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Solution

The fourth proportional to 7,748.10, 10,692.70 and 4,390.88 is: 6,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.10 : 10,692.70 = 4,390.88 : x
  2. Step 2: Convert to fraction form
    7,748.10/10,692.70 = 4,390.88/x
  3. Step 3: Cross multiply
    7,748.10x = 10,692.70 × 4,390.88
  4. Step 4: Simplify right side
    7,748.10x = 46,950,362.58
  5. Step 5: Solve for x
    x = 46,950,362.58/7,748.10
  6. Step 6: Final answer
    x = 6,059.59

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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.