Home / 7,817.58-11,725.28-1,973.82

Finding the Fourth Proportional to 7,817.58, 11,725.28 and 1,973.82

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Solution

The fourth proportional to 7,817.58, 11,725.28 and 1,973.82 is: 2,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.58 : 11,725.28 = 1,973.82 : x
  2. Step 2: Convert to fraction form
    7,817.58/11,725.28 = 1,973.82/x
  3. Step 3: Cross multiply
    7,817.58x = 11,725.28 × 1,973.82
  4. Step 4: Simplify right side
    7,817.58x = 23,143,592.17
  5. Step 5: Solve for x
    x = 23,143,592.17/7,817.58
  6. Step 6: Final answer
    x = 2,960.45

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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.