Home / 7,642.45-11,453.70-2,957.82

Finding the Fourth Proportional to 7,642.45, 11,453.70 and 2,957.82

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Solution

The fourth proportional to 7,642.45, 11,453.70 and 2,957.82 is: 4,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.45 : 11,453.70 = 2,957.82 : x
  2. Step 2: Convert to fraction form
    7,642.45/11,453.70 = 2,957.82/x
  3. Step 3: Cross multiply
    7,642.45x = 11,453.70 × 2,957.82
  4. Step 4: Simplify right side
    7,642.45x = 33,877,951.07
  5. Step 5: Solve for x
    x = 33,877,951.07/7,642.45
  6. Step 6: Final answer
    x = 4,432.86

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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.