Home / 4,731.90-7,097.61-1,809.98

Finding the Fourth Proportional to 4,731.90, 7,097.61 and 1,809.98

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Solution

The fourth proportional to 4,731.90, 7,097.61 and 1,809.98 is: 2,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.90 : 7,097.61 = 1,809.98 : x
  2. Step 2: Convert to fraction form
    4,731.90/7,097.61 = 1,809.98/x
  3. Step 3: Cross multiply
    4,731.90x = 7,097.61 × 1,809.98
  4. Step 4: Simplify right side
    4,731.90x = 12,846,532.15
  5. Step 5: Solve for x
    x = 12,846,532.15/4,731.90
  6. Step 6: Final answer
    x = 2,714.88

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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.