Home / 5,510.42-8,262.52-1,811.65

Finding the Fourth Proportional to 5,510.42, 8,262.52 and 1,811.65

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Solution

The fourth proportional to 5,510.42, 8,262.52 and 1,811.65 is: 2,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.42 : 8,262.52 = 1,811.65 : x
  2. Step 2: Convert to fraction form
    5,510.42/8,262.52 = 1,811.65/x
  3. Step 3: Cross multiply
    5,510.42x = 8,262.52 × 1,811.65
  4. Step 4: Simplify right side
    5,510.42x = 14,968,794.36
  5. Step 5: Solve for x
    x = 14,968,794.36/5,510.42
  6. Step 6: Final answer
    x = 2,716.45

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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.