Home / 7,748.52-10,692.81-4,211.70

Finding the Fourth Proportional to 7,748.52, 10,692.81 and 4,211.70

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Solution

The fourth proportional to 7,748.52, 10,692.81 and 4,211.70 is: 5,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.52 : 10,692.81 = 4,211.70 : x
  2. Step 2: Convert to fraction form
    7,748.52/10,692.81 = 4,211.70/x
  3. Step 3: Cross multiply
    7,748.52x = 10,692.81 × 4,211.70
  4. Step 4: Simplify right side
    7,748.52x = 45,034,907.88
  5. Step 5: Solve for x
    x = 45,034,907.88/7,748.52
  6. Step 6: Final answer
    x = 5,812.07

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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.