Home / 7,615.65-11,423.22-2,685.16

Finding the Fourth Proportional to 7,615.65, 11,423.22 and 2,685.16

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Solution

The fourth proportional to 7,615.65, 11,423.22 and 2,685.16 is: 4,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.65 : 11,423.22 = 2,685.16 : x
  2. Step 2: Convert to fraction form
    7,615.65/11,423.22 = 2,685.16/x
  3. Step 3: Cross multiply
    7,615.65x = 11,423.22 × 2,685.16
  4. Step 4: Simplify right side
    7,615.65x = 30,673,173.42
  5. Step 5: Solve for x
    x = 30,673,173.42/7,615.65
  6. Step 6: Final answer
    x = 4,027.65

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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.