Home / 7,290.34-10,935.37-2,609.08

Finding the Fourth Proportional to 7,290.34, 10,935.37 and 2,609.08

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Solution

The fourth proportional to 7,290.34, 10,935.37 and 2,609.08 is: 3,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.34 : 10,935.37 = 2,609.08 : x
  2. Step 2: Convert to fraction form
    7,290.34/10,935.37 = 2,609.08/x
  3. Step 3: Cross multiply
    7,290.34x = 10,935.37 × 2,609.08
  4. Step 4: Simplify right side
    7,290.34x = 28,531,231.08
  5. Step 5: Solve for x
    x = 28,531,231.08/7,290.34
  6. Step 6: Final answer
    x = 3,913.57

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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.