Home / 7,615.80-11,423.58-2,069.67

Finding the Fourth Proportional to 7,615.80, 11,423.58 and 2,069.67

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Solution

The fourth proportional to 7,615.80, 11,423.58 and 2,069.67 is: 3,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.80 : 11,423.58 = 2,069.67 : x
  2. Step 2: Convert to fraction form
    7,615.80/11,423.58 = 2,069.67/x
  3. Step 3: Cross multiply
    7,615.80x = 11,423.58 × 2,069.67
  4. Step 4: Simplify right side
    7,615.80x = 23,643,040.82
  5. Step 5: Solve for x
    x = 23,643,040.82/7,615.80
  6. Step 6: Final answer
    x = 3,104.47

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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.