Home / 5,554.29-7,665.02-3,315.73

Finding the Fourth Proportional to 5,554.29, 7,665.02 and 3,315.73

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Solution

The fourth proportional to 5,554.29, 7,665.02 and 3,315.73 is: 4,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.29 : 7,665.02 = 3,315.73 : x
  2. Step 2: Convert to fraction form
    5,554.29/7,665.02 = 3,315.73/x
  3. Step 3: Cross multiply
    5,554.29x = 7,665.02 × 3,315.73
  4. Step 4: Simplify right side
    5,554.29x = 25,415,136.76
  5. Step 5: Solve for x
    x = 25,415,136.76/5,554.29
  6. Step 6: Final answer
    x = 4,575.77

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Double scale
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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.