Home / 7,388.08-10,195.56-4,030.88

Finding the Fourth Proportional to 7,388.08, 10,195.56 and 4,030.88

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Solution

The fourth proportional to 7,388.08, 10,195.56 and 4,030.88 is: 5,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.08 : 10,195.56 = 4,030.88 : x
  2. Step 2: Convert to fraction form
    7,388.08/10,195.56 = 4,030.88/x
  3. Step 3: Cross multiply
    7,388.08x = 10,195.56 × 4,030.88
  4. Step 4: Simplify right side
    7,388.08x = 41,097,078.89
  5. Step 5: Solve for x
    x = 41,097,078.89/7,388.08
  6. Step 6: Final answer
    x = 5,562.62

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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.