Home / 7,780.26-11,666.84-2,232.32

Finding the Fourth Proportional to 7,780.26, 11,666.84 and 2,232.32

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Solution

The fourth proportional to 7,780.26, 11,666.84 and 2,232.32 is: 3,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.26 : 11,666.84 = 2,232.32 : x
  2. Step 2: Convert to fraction form
    7,780.26/11,666.84 = 2,232.32/x
  3. Step 3: Cross multiply
    7,780.26x = 11,666.84 × 2,232.32
  4. Step 4: Simplify right side
    7,780.26x = 26,044,120.27
  5. Step 5: Solve for x
    x = 26,044,120.27/7,780.26
  6. Step 6: Final answer
    x = 3,347.46

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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.