Home / 9,209.61-12,709.26-5,017.86

Finding the Fourth Proportional to 9,209.61, 12,709.26 and 5,017.86

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Solution

The fourth proportional to 9,209.61, 12,709.26 and 5,017.86 is: 6,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.61 : 12,709.26 = 5,017.86 : x
  2. Step 2: Convert to fraction form
    9,209.61/12,709.26 = 5,017.86/x
  3. Step 3: Cross multiply
    9,209.61x = 12,709.26 × 5,017.86
  4. Step 4: Simplify right side
    9,209.61x = 63,773,198.75
  5. Step 5: Solve for x
    x = 63,773,198.75/9,209.61
  6. Step 6: Final answer
    x = 6,924.64

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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.