Home / 5,526.81-8,290.62-1,831.65

Finding the Fourth Proportional to 5,526.81, 8,290.62 and 1,831.65

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Solution

The fourth proportional to 5,526.81, 8,290.62 and 1,831.65 is: 2,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.81 : 8,290.62 = 1,831.65 : x
  2. Step 2: Convert to fraction form
    5,526.81/8,290.62 = 1,831.65/x
  3. Step 3: Cross multiply
    5,526.81x = 8,290.62 × 1,831.65
  4. Step 4: Simplify right side
    5,526.81x = 15,185,514.12
  5. Step 5: Solve for x
    x = 15,185,514.12/5,526.81
  6. Step 6: Final answer
    x = 2,747.61

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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.