Home / 9,169.64-12,653.90-4,977.89

Finding the Fourth Proportional to 9,169.64, 12,653.90 and 4,977.89

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Solution

The fourth proportional to 9,169.64, 12,653.90 and 4,977.89 is: 6,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.64 : 12,653.90 = 4,977.89 : x
  2. Step 2: Convert to fraction form
    9,169.64/12,653.90 = 4,977.89/x
  3. Step 3: Cross multiply
    9,169.64x = 12,653.90 × 4,977.89
  4. Step 4: Simplify right side
    9,169.64x = 62,989,659.00
  5. Step 5: Solve for x
    x = 62,989,659.00/9,169.64
  6. Step 6: Final answer
    x = 6,869.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.