Home / 6,554.30-9,045.03-3,721.58

Finding the Fourth Proportional to 6,554.30, 9,045.03 and 3,721.58

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Solution

The fourth proportional to 6,554.30, 9,045.03 and 3,721.58 is: 5,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.30 : 9,045.03 = 3,721.58 : x
  2. Step 2: Convert to fraction form
    6,554.30/9,045.03 = 3,721.58/x
  3. Step 3: Cross multiply
    6,554.30x = 9,045.03 × 3,721.58
  4. Step 4: Simplify right side
    6,554.30x = 33,661,802.75
  5. Step 5: Solve for x
    x = 33,661,802.75/6,554.30
  6. Step 6: Final answer
    x = 5,135.83

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1.5x scale

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.