Home / 4,743.58-7,117.53-1,972.30

Finding the Fourth Proportional to 4,743.58, 7,117.53 and 1,972.30

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Solution

The fourth proportional to 4,743.58, 7,117.53 and 1,972.30 is: 2,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.58 : 7,117.53 = 1,972.30 : x
  2. Step 2: Convert to fraction form
    4,743.58/7,117.53 = 1,972.30/x
  3. Step 3: Cross multiply
    4,743.58x = 7,117.53 × 1,972.30
  4. Step 4: Simplify right side
    4,743.58x = 14,037,858.97
  5. Step 5: Solve for x
    x = 14,037,858.97/4,743.58
  6. Step 6: Final answer
    x = 2,959.34

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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.