Home / 4,931.40-7,394.99-1,810.38

Finding the Fourth Proportional to 4,931.40, 7,394.99 and 1,810.38

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Solution

The fourth proportional to 4,931.40, 7,394.99 and 1,810.38 is: 2,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.40 : 7,394.99 = 1,810.38 : x
  2. Step 2: Convert to fraction form
    4,931.40/7,394.99 = 1,810.38/x
  3. Step 3: Cross multiply
    4,931.40x = 7,394.99 × 1,810.38
  4. Step 4: Simplify right side
    4,931.40x = 13,387,732.94
  5. Step 5: Solve for x
    x = 13,387,732.94/4,931.40
  6. Step 6: Final answer
    x = 2,714.79

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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.