Home / 7,613.90-11,424.48-2,685.86

Finding the Fourth Proportional to 7,613.90, 11,424.48 and 2,685.86

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Solution

The fourth proportional to 7,613.90, 11,424.48 and 2,685.86 is: 4,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.90 : 11,424.48 = 2,685.86 : x
  2. Step 2: Convert to fraction form
    7,613.90/11,424.48 = 2,685.86/x
  3. Step 3: Cross multiply
    7,613.90x = 11,424.48 × 2,685.86
  4. Step 4: Simplify right side
    7,613.90x = 30,684,496.73
  5. Step 5: Solve for x
    x = 30,684,496.73/7,613.90
  6. Step 6: Final answer
    x = 4,030.07

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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.