Home / 7,772.13-11,642.58-3,606.42

Finding the Fourth Proportional to 7,772.13, 11,642.58 and 3,606.42

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Solution

The fourth proportional to 7,772.13, 11,642.58 and 3,606.42 is: 5,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.13 : 11,642.58 = 3,606.42 : x
  2. Step 2: Convert to fraction form
    7,772.13/11,642.58 = 3,606.42/x
  3. Step 3: Cross multiply
    7,772.13x = 11,642.58 × 3,606.42
  4. Step 4: Simplify right side
    7,772.13x = 41,988,033.36
  5. Step 5: Solve for x
    x = 41,988,033.36/7,772.13
  6. Step 6: Final answer
    x = 5,402.38

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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.