Home / 4,743.09-7,113.22-1,821.02

Finding the Fourth Proportional to 4,743.09, 7,113.22 and 1,821.02

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Solution

The fourth proportional to 4,743.09, 7,113.22 and 1,821.02 is: 2,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.09 : 7,113.22 = 1,821.02 : x
  2. Step 2: Convert to fraction form
    4,743.09/7,113.22 = 1,821.02/x
  3. Step 3: Cross multiply
    4,743.09x = 7,113.22 × 1,821.02
  4. Step 4: Simplify right side
    4,743.09x = 12,953,275.77
  5. Step 5: Solve for x
    x = 12,953,275.77/4,743.09
  6. Step 6: Final answer
    x = 2,730.98

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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.