Home / 7,387.62-10,194.89-4,030.40

Finding the Fourth Proportional to 7,387.62, 10,194.89 and 4,030.40

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Solution

The fourth proportional to 7,387.62, 10,194.89 and 4,030.40 is: 5,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.62 : 10,194.89 = 4,030.40 : x
  2. Step 2: Convert to fraction form
    7,387.62/10,194.89 = 4,030.40/x
  3. Step 3: Cross multiply
    7,387.62x = 10,194.89 × 4,030.40
  4. Step 4: Simplify right side
    7,387.62x = 41,089,519.66
  5. Step 5: Solve for x
    x = 41,089,519.66/7,387.62
  6. Step 6: Final answer
    x = 5,561.94

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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.