Home / 5,554.11-7,669.65-5,166.60

Finding the Fourth Proportional to 5,554.11, 7,669.65 and 5,166.60

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Solution

The fourth proportional to 5,554.11, 7,669.65 and 5,166.60 is: 7,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.11 : 7,669.65 = 5,166.60 : x
  2. Step 2: Convert to fraction form
    5,554.11/7,669.65 = 5,166.60/x
  3. Step 3: Cross multiply
    5,554.11x = 7,669.65 × 5,166.60
  4. Step 4: Simplify right side
    5,554.11x = 39,625,993.29
  5. Step 5: Solve for x
    x = 39,625,993.29/5,554.11
  6. Step 6: Final answer
    x = 7,134.54

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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.