Home / 7,748.18-10,692.32-4,211.30

Finding the Fourth Proportional to 7,748.18, 10,692.32 and 4,211.30

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Solution

The fourth proportional to 7,748.18, 10,692.32 and 4,211.30 is: 5,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.18 : 10,692.32 = 4,211.30 : x
  2. Step 2: Convert to fraction form
    7,748.18/10,692.32 = 4,211.30/x
  3. Step 3: Cross multiply
    7,748.18x = 10,692.32 × 4,211.30
  4. Step 4: Simplify right side
    7,748.18x = 45,028,567.22
  5. Step 5: Solve for x
    x = 45,028,567.22/7,748.18
  6. Step 6: Final answer
    x = 5,811.50

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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.