Home / 8,291.90-12,437.44-3,097.38

Finding the Fourth Proportional to 8,291.90, 12,437.44 and 3,097.38

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Solution

The fourth proportional to 8,291.90, 12,437.44 and 3,097.38 is: 4,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.90 : 12,437.44 = 3,097.38 : x
  2. Step 2: Convert to fraction form
    8,291.90/12,437.44 = 3,097.38/x
  3. Step 3: Cross multiply
    8,291.90x = 12,437.44 × 3,097.38
  4. Step 4: Simplify right side
    8,291.90x = 38,523,477.91
  5. Step 5: Solve for x
    x = 38,523,477.91/8,291.90
  6. Step 6: Final answer
    x = 4,645.92

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1.5x scale

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.