Home / 7,421.43-11,133.07-2,423.69

Finding the Fourth Proportional to 7,421.43, 11,133.07 and 2,423.69

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Solution

The fourth proportional to 7,421.43, 11,133.07 and 2,423.69 is: 3,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.43 : 11,133.07 = 2,423.69 : x
  2. Step 2: Convert to fraction form
    7,421.43/11,133.07 = 2,423.69/x
  3. Step 3: Cross multiply
    7,421.43x = 11,133.07 × 2,423.69
  4. Step 4: Simplify right side
    7,421.43x = 26,983,090.45
  5. Step 5: Solve for x
    x = 26,983,090.45/7,421.43
  6. Step 6: Final answer
    x = 3,635.83

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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.