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Finding the Fourth Proportional to 5,871.36, 8,807.04 and 1,975.20

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Solution

The fourth proportional to 5,871.36, 8,807.04 and 1,975.20 is: 2,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.36 : 8,807.04 = 1,975.20 : x
  2. Step 2: Convert to fraction form
    5,871.36/8,807.04 = 1,975.20/x
  3. Step 3: Cross multiply
    5,871.36x = 8,807.04 × 1,975.20
  4. Step 4: Simplify right side
    5,871.36x = 17,395,665.41
  5. Step 5: Solve for x
    x = 17,395,665.41/5,871.36
  6. Step 6: Final answer
    x = 2,962.80

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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.