Home / 9,167.22-12,650.40-4,975.38

Finding the Fourth Proportional to 9,167.22, 12,650.40 and 4,975.38

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Solution

The fourth proportional to 9,167.22, 12,650.40 and 4,975.38 is: 6,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.22 : 12,650.40 = 4,975.38 : x
  2. Step 2: Convert to fraction form
    9,167.22/12,650.40 = 4,975.38/x
  3. Step 3: Cross multiply
    9,167.22x = 12,650.40 × 4,975.38
  4. Step 4: Simplify right side
    9,167.22x = 62,940,547.15
  5. Step 5: Solve for x
    x = 62,940,547.15/9,167.22
  6. Step 6: Final answer
    x = 6,865.83

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1.5x scale

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.