Home / 6,399.04-9,585.84-5,005.87

Finding the Fourth Proportional to 6,399.04, 9,585.84 and 5,005.87

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Solution

The fourth proportional to 6,399.04, 9,585.84 and 5,005.87 is: 7,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.04 : 9,585.84 = 5,005.87 : x
  2. Step 2: Convert to fraction form
    6,399.04/9,585.84 = 5,005.87/x
  3. Step 3: Cross multiply
    6,399.04x = 9,585.84 × 5,005.87
  4. Step 4: Simplify right side
    6,399.04x = 47,985,468.88
  5. Step 5: Solve for x
    x = 47,985,468.88/6,399.04
  6. Step 6: Final answer
    x = 7,498.85

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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.