Home / 9,160.12-13,739.92-2,920.50

Finding the Fourth Proportional to 9,160.12, 13,739.92 and 2,920.50

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Solution

The fourth proportional to 9,160.12, 13,739.92 and 2,920.50 is: 4,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.12 : 13,739.92 = 2,920.50 : x
  2. Step 2: Convert to fraction form
    9,160.12/13,739.92 = 2,920.50/x
  3. Step 3: Cross multiply
    9,160.12x = 13,739.92 × 2,920.50
  4. Step 4: Simplify right side
    9,160.12x = 40,127,436.36
  5. Step 5: Solve for x
    x = 40,127,436.36/9,160.12
  6. Step 6: Final answer
    x = 4,380.67

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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.