Home / 6,913.69-9,541.70-3,929.97

Finding the Fourth Proportional to 6,913.69, 9,541.70 and 3,929.97

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Solution

The fourth proportional to 6,913.69, 9,541.70 and 3,929.97 is: 5,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.69 : 9,541.70 = 3,929.97 : x
  2. Step 2: Convert to fraction form
    6,913.69/9,541.70 = 3,929.97/x
  3. Step 3: Cross multiply
    6,913.69x = 9,541.70 × 3,929.97
  4. Step 4: Simplify right side
    6,913.69x = 37,498,588.53
  5. Step 5: Solve for x
    x = 37,498,588.53/6,913.69
  6. Step 6: Final answer
    x = 5,423.82

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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.