Home / 7,456.16-11,184.94-2,119.34

Finding the Fourth Proportional to 7,456.16, 11,184.94 and 2,119.34

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Solution

The fourth proportional to 7,456.16, 11,184.94 and 2,119.34 is: 3,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.16 : 11,184.94 = 2,119.34 : x
  2. Step 2: Convert to fraction form
    7,456.16/11,184.94 = 2,119.34/x
  3. Step 3: Cross multiply
    7,456.16x = 11,184.94 × 2,119.34
  4. Step 4: Simplify right side
    7,456.16x = 23,704,690.74
  5. Step 5: Solve for x
    x = 23,704,690.74/7,456.16
  6. Step 6: Final answer
    x = 3,179.21

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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.