Home / 7,976.96-11,008.08-4,440.48

Finding the Fourth Proportional to 7,976.96, 11,008.08 and 4,440.48

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Solution

The fourth proportional to 7,976.96, 11,008.08 and 4,440.48 is: 6,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.96 : 11,008.08 = 4,440.48 : x
  2. Step 2: Convert to fraction form
    7,976.96/11,008.08 = 4,440.48/x
  3. Step 3: Cross multiply
    7,976.96x = 11,008.08 × 4,440.48
  4. Step 4: Simplify right side
    7,976.96x = 48,881,159.08
  5. Step 5: Solve for x
    x = 48,881,159.08/7,976.96
  6. Step 6: Final answer
    x = 6,127.79

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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.