Home / 4,730.11-7,095.36-2,780.84

Finding the Fourth Proportional to 4,730.11, 7,095.36 and 2,780.84

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Solution

The fourth proportional to 4,730.11, 7,095.36 and 2,780.84 is: 4,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.11 : 7,095.36 = 2,780.84 : x
  2. Step 2: Convert to fraction form
    4,730.11/7,095.36 = 2,780.84/x
  3. Step 3: Cross multiply
    4,730.11x = 7,095.36 × 2,780.84
  4. Step 4: Simplify right side
    4,730.11x = 19,731,060.90
  5. Step 5: Solve for x
    x = 19,731,060.90/4,730.11
  6. Step 6: Final answer
    x = 4,171.37

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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.