Home / 6,174.65-8,521.21-3,485.91

Finding the Fourth Proportional to 6,174.65, 8,521.21 and 3,485.91

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Solution

The fourth proportional to 6,174.65, 8,521.21 and 3,485.91 is: 4,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.65 : 8,521.21 = 3,485.91 : x
  2. Step 2: Convert to fraction form
    6,174.65/8,521.21 = 3,485.91/x
  3. Step 3: Cross multiply
    6,174.65x = 8,521.21 × 3,485.91
  4. Step 4: Simplify right side
    6,174.65x = 29,704,143.55
  5. Step 5: Solve for x
    x = 29,704,143.55/6,174.65
  6. Step 6: Final answer
    x = 4,810.66

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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.