Home / 9,857.19-14,788.21-2,931.69

Finding the Fourth Proportional to 9,857.19, 14,788.21 and 2,931.69

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Solution

The fourth proportional to 9,857.19, 14,788.21 and 2,931.69 is: 4,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.19 : 14,788.21 = 2,931.69 : x
  2. Step 2: Convert to fraction form
    9,857.19/14,788.21 = 2,931.69/x
  3. Step 3: Cross multiply
    9,857.19x = 14,788.21 × 2,931.69
  4. Step 4: Simplify right side
    9,857.19x = 43,354,447.37
  5. Step 5: Solve for x
    x = 43,354,447.37/9,857.19
  6. Step 6: Final answer
    x = 4,398.26

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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.