Home / 6,554.61-9,045.58-3,721.88

Finding the Fourth Proportional to 6,554.61, 9,045.58 and 3,721.88

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Solution

The fourth proportional to 6,554.61, 9,045.58 and 3,721.88 is: 5,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.61 : 9,045.58 = 3,721.88 : x
  2. Step 2: Convert to fraction form
    6,554.61/9,045.58 = 3,721.88/x
  3. Step 3: Cross multiply
    6,554.61x = 9,045.58 × 3,721.88
  4. Step 4: Simplify right side
    6,554.61x = 33,666,600.54
  5. Step 5: Solve for x
    x = 33,666,600.54/6,554.61
  6. Step 6: Final answer
    x = 5,136.33

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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.