Home / 8,960.15-13,430.34-3,692.39

Finding the Fourth Proportional to 8,960.15, 13,430.34 and 3,692.39

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Solution

The fourth proportional to 8,960.15, 13,430.34 and 3,692.39 is: 5,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.15 : 13,430.34 = 3,692.39 : x
  2. Step 2: Convert to fraction form
    8,960.15/13,430.34 = 3,692.39/x
  3. Step 3: Cross multiply
    8,960.15x = 13,430.34 × 3,692.39
  4. Step 4: Simplify right side
    8,960.15x = 49,589,985.96
  5. Step 5: Solve for x
    x = 49,589,985.96/8,960.15
  6. Step 6: Final answer
    x = 5,534.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.