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Finding the Fourth Proportional to 5,991.65, 8,987.50 and 1,831.64

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Solution

The fourth proportional to 5,991.65, 8,987.50 and 1,831.64 is: 2,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.65 : 8,987.50 = 1,831.64 : x
  2. Step 2: Convert to fraction form
    5,991.65/8,987.50 = 1,831.64/x
  3. Step 3: Cross multiply
    5,991.65x = 8,987.50 × 1,831.64
  4. Step 4: Simplify right side
    5,991.65x = 16,461,889.26
  5. Step 5: Solve for x
    x = 16,461,889.26/5,991.65
  6. Step 6: Final answer
    x = 2,747.47

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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.