Home / 7,237.61-10,855.99-2,794.40

Finding the Fourth Proportional to 7,237.61, 10,855.99 and 2,794.40

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Solution

The fourth proportional to 7,237.61, 10,855.99 and 2,794.40 is: 4,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.61 : 10,855.99 = 2,794.40 : x
  2. Step 2: Convert to fraction form
    7,237.61/10,855.99 = 2,794.40/x
  3. Step 3: Cross multiply
    7,237.61x = 10,855.99 × 2,794.40
  4. Step 4: Simplify right side
    7,237.61x = 30,335,968.38
  5. Step 5: Solve for x
    x = 30,335,968.38/7,237.61
  6. Step 6: Final answer
    x = 4,191.44

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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.