Home / 8,235.26-12,354.81-2,391.72

Finding the Fourth Proportional to 8,235.26, 12,354.81 and 2,391.72

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Solution

The fourth proportional to 8,235.26, 12,354.81 and 2,391.72 is: 3,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.26 : 12,354.81 = 2,391.72 : x
  2. Step 2: Convert to fraction form
    8,235.26/12,354.81 = 2,391.72/x
  3. Step 3: Cross multiply
    8,235.26x = 12,354.81 × 2,391.72
  4. Step 4: Simplify right side
    8,235.26x = 29,549,246.17
  5. Step 5: Solve for x
    x = 29,549,246.17/8,235.26
  6. Step 6: Final answer
    x = 3,588.14

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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.