Home / 7,968.19-11,007.35-6,385.35

Finding the Fourth Proportional to 7,968.19, 11,007.35 and 6,385.35

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Solution

The fourth proportional to 7,968.19, 11,007.35 and 6,385.35 is: 8,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.19 : 11,007.35 = 6,385.35 : x
  2. Step 2: Convert to fraction form
    7,968.19/11,007.35 = 6,385.35/x
  3. Step 3: Cross multiply
    7,968.19x = 11,007.35 × 6,385.35
  4. Step 4: Simplify right side
    7,968.19x = 70,285,782.32
  5. Step 5: Solve for x
    x = 70,285,782.32/7,968.19
  6. Step 6: Final answer
    x = 8,820.80

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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.