Home / 7,336.78-10,121.96-4,820.24

Finding the Fourth Proportional to 7,336.78, 10,121.96 and 4,820.24

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Solution

The fourth proportional to 7,336.78, 10,121.96 and 4,820.24 is: 6,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.78 : 10,121.96 = 4,820.24 : x
  2. Step 2: Convert to fraction form
    7,336.78/10,121.96 = 4,820.24/x
  3. Step 3: Cross multiply
    7,336.78x = 10,121.96 × 4,820.24
  4. Step 4: Simplify right side
    7,336.78x = 48,790,313.83
  5. Step 5: Solve for x
    x = 48,790,313.83/7,336.78
  6. Step 6: Final answer
    x = 6,650.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.