Home / 7,615.65-11,423.53-2,685.38

Finding the Fourth Proportional to 7,615.65, 11,423.53 and 2,685.38

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Solution

The fourth proportional to 7,615.65, 11,423.53 and 2,685.38 is: 4,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.65 : 11,423.53 = 2,685.38 : x
  2. Step 2: Convert to fraction form
    7,615.65/11,423.53 = 2,685.38/x
  3. Step 3: Cross multiply
    7,615.65x = 11,423.53 × 2,685.38
  4. Step 4: Simplify right side
    7,615.65x = 30,676,518.99
  5. Step 5: Solve for x
    x = 30,676,518.99/7,615.65
  6. Step 6: Final answer
    x = 4,028.09

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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.