Home / 7,539.03-11,309.58-3,155.49

Finding the Fourth Proportional to 7,539.03, 11,309.58 and 3,155.49

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Solution

The fourth proportional to 7,539.03, 11,309.58 and 3,155.49 is: 4,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.03 : 11,309.58 = 3,155.49 : x
  2. Step 2: Convert to fraction form
    7,539.03/11,309.58 = 3,155.49/x
  3. Step 3: Cross multiply
    7,539.03x = 11,309.58 × 3,155.49
  4. Step 4: Simplify right side
    7,539.03x = 35,687,266.59
  5. Step 5: Solve for x
    x = 35,687,266.59/7,539.03
  6. Step 6: Final answer
    x = 4,733.67

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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.