Home / 7,213.10-9,954.14-4,379.72

Finding the Fourth Proportional to 7,213.10, 9,954.14 and 4,379.72

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Solution

The fourth proportional to 7,213.10, 9,954.14 and 4,379.72 is: 6,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.10 : 9,954.14 = 4,379.72 : x
  2. Step 2: Convert to fraction form
    7,213.10/9,954.14 = 4,379.72/x
  3. Step 3: Cross multiply
    7,213.10x = 9,954.14 × 4,379.72
  4. Step 4: Simplify right side
    7,213.10x = 43,596,274.37
  5. Step 5: Solve for x
    x = 43,596,274.37/7,213.10
  6. Step 6: Final answer
    x = 6,044.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.