Home / 5,913.91-8,871.36-1,531.45

Finding the Fourth Proportional to 5,913.91, 8,871.36 and 1,531.45

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Solution

The fourth proportional to 5,913.91, 8,871.36 and 1,531.45 is: 2,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.91 : 8,871.36 = 1,531.45 : x
  2. Step 2: Convert to fraction form
    5,913.91/8,871.36 = 1,531.45/x
  3. Step 3: Cross multiply
    5,913.91x = 8,871.36 × 1,531.45
  4. Step 4: Simplify right side
    5,913.91x = 13,586,044.27
  5. Step 5: Solve for x
    x = 13,586,044.27/5,913.91
  6. Step 6: Final answer
    x = 2,297.30

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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.