Home / 9,890.10-14,837.40-2,964.42

Finding the Fourth Proportional to 9,890.10, 14,837.40 and 2,964.42

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Solution

The fourth proportional to 9,890.10, 14,837.40 and 2,964.42 is: 4,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.10 : 14,837.40 = 2,964.42 : x
  2. Step 2: Convert to fraction form
    9,890.10/14,837.40 = 2,964.42/x
  3. Step 3: Cross multiply
    9,890.10x = 14,837.40 × 2,964.42
  4. Step 4: Simplify right side
    9,890.10x = 43,984,285.31
  5. Step 5: Solve for x
    x = 43,984,285.31/9,890.10
  6. Step 6: Final answer
    x = 4,447.30

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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.