Home / 6,120.96-8,445.48-4,351.92

Finding the Fourth Proportional to 6,120.96, 8,445.48 and 4,351.92

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Solution

The fourth proportional to 6,120.96, 8,445.48 and 4,351.92 is: 6,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.96 : 8,445.48 = 4,351.92 : x
  2. Step 2: Convert to fraction form
    6,120.96/8,445.48 = 4,351.92/x
  3. Step 3: Cross multiply
    6,120.96x = 8,445.48 × 4,351.92
  4. Step 4: Simplify right side
    6,120.96x = 36,754,053.32
  5. Step 5: Solve for x
    x = 36,754,053.32/6,120.96
  6. Step 6: Final answer
    x = 6,004.62

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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.