Home / 7,709.78-11,554.32-4,004.30

Finding the Fourth Proportional to 7,709.78, 11,554.32 and 4,004.30

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Solution

The fourth proportional to 7,709.78, 11,554.32 and 4,004.30 is: 6,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.78 : 11,554.32 = 4,004.30 : x
  2. Step 2: Convert to fraction form
    7,709.78/11,554.32 = 4,004.30/x
  3. Step 3: Cross multiply
    7,709.78x = 11,554.32 × 4,004.30
  4. Step 4: Simplify right side
    7,709.78x = 46,266,963.58
  5. Step 5: Solve for x
    x = 46,266,963.58/7,709.78
  6. Step 6: Final answer
    x = 6,001.07

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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.