Home / 5,004-6,904.08-3,115.86

Finding the Fourth Proportional to 5,004, 6,904.08 and 3,115.86

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Solution

The fourth proportional to 5,004, 6,904.08 and 3,115.86 is: 4,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004 : 6,904.08 = 3,115.86 : x
  2. Step 2: Convert to fraction form
    5,004/6,904.08 = 3,115.86/x
  3. Step 3: Cross multiply
    5,004x = 6,904.08 × 3,115.86
  4. Step 4: Simplify right side
    5,004x = 21,512,146.71
  5. Step 5: Solve for x
    x = 21,512,146.71/5,004
  6. Step 6: Final answer
    x = 4,298.99

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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.