Home / 5,184.98-7,777.46-1,289.38

Finding the Fourth Proportional to 5,184.98, 7,777.46 and 1,289.38

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Solution

The fourth proportional to 5,184.98, 7,777.46 and 1,289.38 is: 1,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.98 : 7,777.46 = 1,289.38 : x
  2. Step 2: Convert to fraction form
    5,184.98/7,777.46 = 1,289.38/x
  3. Step 3: Cross multiply
    5,184.98x = 7,777.46 × 1,289.38
  4. Step 4: Simplify right side
    5,184.98x = 10,028,101.37
  5. Step 5: Solve for x
    x = 10,028,101.37/5,184.98
  6. Step 6: Final answer
    x = 1,934.07

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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.