Home / 7,389.59-11,087.87-3,692.12

Finding the Fourth Proportional to 7,389.59, 11,087.87 and 3,692.12

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Solution

The fourth proportional to 7,389.59, 11,087.87 and 3,692.12 is: 5,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.59 : 11,087.87 = 3,692.12 : x
  2. Step 2: Convert to fraction form
    7,389.59/11,087.87 = 3,692.12/x
  3. Step 3: Cross multiply
    7,389.59x = 11,087.87 × 3,692.12
  4. Step 4: Simplify right side
    7,389.59x = 40,937,672.68
  5. Step 5: Solve for x
    x = 40,937,672.68/7,389.59
  6. Step 6: Final answer
    x = 5,539.91

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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.