Home / 5,185.04-7,777.08-2,719.13

Finding the Fourth Proportional to 5,185.04, 7,777.08 and 2,719.13

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Solution

The fourth proportional to 5,185.04, 7,777.08 and 2,719.13 is: 4,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.04 : 7,777.08 = 2,719.13 : x
  2. Step 2: Convert to fraction form
    5,185.04/7,777.08 = 2,719.13/x
  3. Step 3: Cross multiply
    5,185.04x = 7,777.08 × 2,719.13
  4. Step 4: Simplify right side
    5,185.04x = 21,146,852.66
  5. Step 5: Solve for x
    x = 21,146,852.66/5,185.04
  6. Step 6: Final answer
    x = 4,078.44

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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.