Home / 8,237.25-12,354.57-2,690.55

Finding the Fourth Proportional to 8,237.25, 12,354.57 and 2,690.55

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Solution

The fourth proportional to 8,237.25, 12,354.57 and 2,690.55 is: 4,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.25 : 12,354.57 = 2,690.55 : x
  2. Step 2: Convert to fraction form
    8,237.25/12,354.57 = 2,690.55/x
  3. Step 3: Cross multiply
    8,237.25x = 12,354.57 × 2,690.55
  4. Step 4: Simplify right side
    8,237.25x = 33,240,574.86
  5. Step 5: Solve for x
    x = 33,240,574.86/8,237.25
  6. Step 6: Final answer
    x = 4,035.40

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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.