Home / 7,692.45-10,615.58-4,155.66

Finding the Fourth Proportional to 7,692.45, 10,615.58 and 4,155.66

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Solution

The fourth proportional to 7,692.45, 10,615.58 and 4,155.66 is: 5,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.45 : 10,615.58 = 4,155.66 : x
  2. Step 2: Convert to fraction form
    7,692.45/10,615.58 = 4,155.66/x
  3. Step 3: Cross multiply
    7,692.45x = 10,615.58 × 4,155.66
  4. Step 4: Simplify right side
    7,692.45x = 44,114,688.10
  5. Step 5: Solve for x
    x = 44,114,688.10/7,692.45
  6. Step 6: Final answer
    x = 5,734.81

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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.