Home / 5,913.74-8,164.36-3,927.02

Finding the Fourth Proportional to 5,913.74, 8,164.36 and 3,927.02

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Solution

The fourth proportional to 5,913.74, 8,164.36 and 3,927.02 is: 5,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.74 : 8,164.36 = 3,927.02 : x
  2. Step 2: Convert to fraction form
    5,913.74/8,164.36 = 3,927.02/x
  3. Step 3: Cross multiply
    5,913.74x = 8,164.36 × 3,927.02
  4. Step 4: Simplify right side
    5,913.74x = 32,061,605.01
  5. Step 5: Solve for x
    x = 32,061,605.01/5,913.74
  6. Step 6: Final answer
    x = 5,421.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.