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Finding the Fourth Proportional to 9,374.76, 14,062.09 and 2,800.93

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Solution

The fourth proportional to 9,374.76, 14,062.09 and 2,800.93 is: 4,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.76 : 14,062.09 = 2,800.93 : x
  2. Step 2: Convert to fraction form
    9,374.76/14,062.09 = 2,800.93/x
  3. Step 3: Cross multiply
    9,374.76x = 14,062.09 × 2,800.93
  4. Step 4: Simplify right side
    9,374.76x = 39,386,929.74
  5. Step 5: Solve for x
    x = 39,386,929.74/9,374.76
  6. Step 6: Final answer
    x = 4,201.38

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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.