Home / 7,219.19-10,838.75-4,992.56

Finding the Fourth Proportional to 7,219.19, 10,838.75 and 4,992.56

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Solution

The fourth proportional to 7,219.19, 10,838.75 and 4,992.56 is: 7,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.19 : 10,838.75 = 4,992.56 : x
  2. Step 2: Convert to fraction form
    7,219.19/10,838.75 = 4,992.56/x
  3. Step 3: Cross multiply
    7,219.19x = 10,838.75 × 4,992.56
  4. Step 4: Simplify right side
    7,219.19x = 54,113,109.70
  5. Step 5: Solve for x
    x = 54,113,109.70/7,219.19
  6. Step 6: Final answer
    x = 7,495.73

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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.