Home / 7,748.22-10,692.20-4,390.84

Finding the Fourth Proportional to 7,748.22, 10,692.20 and 4,390.84

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Solution

The fourth proportional to 7,748.22, 10,692.20 and 4,390.84 is: 6,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.22 : 10,692.20 = 4,390.84 : x
  2. Step 2: Convert to fraction form
    7,748.22/10,692.20 = 4,390.84/x
  3. Step 3: Cross multiply
    7,748.22x = 10,692.20 × 4,390.84
  4. Step 4: Simplify right side
    7,748.22x = 46,947,763.79
  5. Step 5: Solve for x
    x = 46,947,763.79/7,748.22
  6. Step 6: Final answer
    x = 6,059.16

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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.