Home / 7,664.83-11,520.18-6,357.19

Finding the Fourth Proportional to 7,664.83, 11,520.18 and 6,357.19

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Solution

The fourth proportional to 7,664.83, 11,520.18 and 6,357.19 is: 9,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.83 : 11,520.18 = 6,357.19 : x
  2. Step 2: Convert to fraction form
    7,664.83/11,520.18 = 6,357.19/x
  3. Step 3: Cross multiply
    7,664.83x = 11,520.18 × 6,357.19
  4. Step 4: Simplify right side
    7,664.83x = 73,235,973.09
  5. Step 5: Solve for x
    x = 73,235,973.09/7,664.83
  6. Step 6: Final answer
    x = 9,554.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.