Home / 7,213.62-9,953.37-4,230.39

Finding the Fourth Proportional to 7,213.62, 9,953.37 and 4,230.39

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Solution

The fourth proportional to 7,213.62, 9,953.37 and 4,230.39 is: 5,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.62 : 9,953.37 = 4,230.39 : x
  2. Step 2: Convert to fraction form
    7,213.62/9,953.37 = 4,230.39/x
  3. Step 3: Cross multiply
    7,213.62x = 9,953.37 × 4,230.39
  4. Step 4: Simplify right side
    7,213.62x = 42,106,636.91
  5. Step 5: Solve for x
    x = 42,106,636.91/7,213.62
  6. Step 6: Final answer
    x = 5,837.10

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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.