Home / 9,977.89-14,965.62-2,581.74

Finding the Fourth Proportional to 9,977.89, 14,965.62 and 2,581.74

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Solution

The fourth proportional to 9,977.89, 14,965.62 and 2,581.74 is: 3,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.89 : 14,965.62 = 2,581.74 : x
  2. Step 2: Convert to fraction form
    9,977.89/14,965.62 = 2,581.74/x
  3. Step 3: Cross multiply
    9,977.89x = 14,965.62 × 2,581.74
  4. Step 4: Simplify right side
    9,977.89x = 38,637,339.78
  5. Step 5: Solve for x
    x = 38,637,339.78/9,977.89
  6. Step 6: Final answer
    x = 3,872.30

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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.