Home / 4,743.95-7,112.87-1,972.53

Finding the Fourth Proportional to 4,743.95, 7,112.87 and 1,972.53

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Solution

The fourth proportional to 4,743.95, 7,112.87 and 1,972.53 is: 2,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.95 : 7,112.87 = 1,972.53 : x
  2. Step 2: Convert to fraction form
    4,743.95/7,112.87 = 1,972.53/x
  3. Step 3: Cross multiply
    4,743.95x = 7,112.87 × 1,972.53
  4. Step 4: Simplify right side
    4,743.95x = 14,030,339.60
  5. Step 5: Solve for x
    x = 14,030,339.60/4,743.95
  6. Step 6: Final answer
    x = 2,957.53

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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.