Home / 7,290.23-10,935.33-3,127.54

Finding the Fourth Proportional to 7,290.23, 10,935.33 and 3,127.54

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Solution

The fourth proportional to 7,290.23, 10,935.33 and 3,127.54 is: 4,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.23 : 10,935.33 = 3,127.54 : x
  2. Step 2: Convert to fraction form
    7,290.23/10,935.33 = 3,127.54/x
  3. Step 3: Cross multiply
    7,290.23x = 10,935.33 × 3,127.54
  4. Step 4: Simplify right side
    7,290.23x = 34,200,681.99
  5. Step 5: Solve for x
    x = 34,200,681.99/7,290.23
  6. Step 6: Final answer
    x = 4,691.30

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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.