Home / 7,776.07-11,662.38-3,095.21

Finding the Fourth Proportional to 7,776.07, 11,662.38 and 3,095.21

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Solution

The fourth proportional to 7,776.07, 11,662.38 and 3,095.21 is: 4,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.07 : 11,662.38 = 3,095.21 : x
  2. Step 2: Convert to fraction form
    7,776.07/11,662.38 = 3,095.21/x
  3. Step 3: Cross multiply
    7,776.07x = 11,662.38 × 3,095.21
  4. Step 4: Simplify right side
    7,776.07x = 36,097,544.36
  5. Step 5: Solve for x
    x = 36,097,544.36/7,776.07
  6. Step 6: Final answer
    x = 4,642.13

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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.