Home / 5,739.28-8,607.79-1,578.22

Finding the Fourth Proportional to 5,739.28, 8,607.79 and 1,578.22

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Solution

The fourth proportional to 5,739.28, 8,607.79 and 1,578.22 is: 2,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.28 : 8,607.79 = 1,578.22 : x
  2. Step 2: Convert to fraction form
    5,739.28/8,607.79 = 1,578.22/x
  3. Step 3: Cross multiply
    5,739.28x = 8,607.79 × 1,578.22
  4. Step 4: Simplify right side
    5,739.28x = 13,584,966.79
  5. Step 5: Solve for x
    x = 13,584,966.79/5,739.28
  6. Step 6: Final answer
    x = 2,367.01

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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.