Home / 7,615.68-11,423.91-2,421.96

Finding the Fourth Proportional to 7,615.68, 11,423.91 and 2,421.96

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Solution

The fourth proportional to 7,615.68, 11,423.91 and 2,421.96 is: 3,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.68 : 11,423.91 = 2,421.96 : x
  2. Step 2: Convert to fraction form
    7,615.68/11,423.91 = 2,421.96/x
  3. Step 3: Cross multiply
    7,615.68x = 11,423.91 × 2,421.96
  4. Step 4: Simplify right side
    7,615.68x = 27,668,253.06
  5. Step 5: Solve for x
    x = 27,668,253.06/7,615.68
  6. Step 6: Final answer
    x = 3,633.06

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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.