Home / 7,976.81-11,008.00-4,440.25

Finding the Fourth Proportional to 7,976.81, 11,008.00 and 4,440.25

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Solution

The fourth proportional to 7,976.81, 11,008.00 and 4,440.25 is: 6,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.81 : 11,008.00 = 4,440.25 : x
  2. Step 2: Convert to fraction form
    7,976.81/11,008.00 = 4,440.25/x
  3. Step 3: Cross multiply
    7,976.81x = 11,008.00 × 4,440.25
  4. Step 4: Simplify right side
    7,976.81x = 48,878,291.31
  5. Step 5: Solve for x
    x = 48,878,291.31/7,976.81
  6. Step 6: Final answer
    x = 6,127.55

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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.