Home / 6,721.08-10,068.88-3,790.48

Finding the Fourth Proportional to 6,721.08, 10,068.88 and 3,790.48

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Solution

The fourth proportional to 6,721.08, 10,068.88 and 3,790.48 is: 5,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.08 : 10,068.88 = 3,790.48 : x
  2. Step 2: Convert to fraction form
    6,721.08/10,068.88 = 3,790.48/x
  3. Step 3: Cross multiply
    6,721.08x = 10,068.88 × 3,790.48
  4. Step 4: Simplify right side
    6,721.08x = 38,165,888.26
  5. Step 5: Solve for x
    x = 38,165,888.26/6,721.08
  6. Step 6: Final answer
    x = 5,678.54

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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.