Home / 7,219.92-10,837.12-4,872.48

Finding the Fourth Proportional to 7,219.92, 10,837.12 and 4,872.48

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Solution

The fourth proportional to 7,219.92, 10,837.12 and 4,872.48 is: 7,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.92 : 10,837.12 = 4,872.48 : x
  2. Step 2: Convert to fraction form
    7,219.92/10,837.12 = 4,872.48/x
  3. Step 3: Cross multiply
    7,219.92x = 10,837.12 × 4,872.48
  4. Step 4: Simplify right side
    7,219.92x = 52,803,650.46
  5. Step 5: Solve for x
    x = 52,803,650.46/7,219.92
  6. Step 6: Final answer
    x = 7,313.61

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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.