Home / 5,119.66-7,666.08-3,554.92

Finding the Fourth Proportional to 5,119.66, 7,666.08 and 3,554.92

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Solution

The fourth proportional to 5,119.66, 7,666.08 and 3,554.92 is: 5,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.66 : 7,666.08 = 3,554.92 : x
  2. Step 2: Convert to fraction form
    5,119.66/7,666.08 = 3,554.92/x
  3. Step 3: Cross multiply
    5,119.66x = 7,666.08 × 3,554.92
  4. Step 4: Simplify right side
    5,119.66x = 27,252,301.11
  5. Step 5: Solve for x
    x = 27,252,301.11/5,119.66
  6. Step 6: Final answer
    x = 5,323.07

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1.5x scale

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.