Home / 8,237.49-12,355.65-2,690.71

Finding the Fourth Proportional to 8,237.49, 12,355.65 and 2,690.71

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Solution

The fourth proportional to 8,237.49, 12,355.65 and 2,690.71 is: 4,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.49 : 12,355.65 = 2,690.71 : x
  2. Step 2: Convert to fraction form
    8,237.49/12,355.65 = 2,690.71/x
  3. Step 3: Cross multiply
    8,237.49x = 12,355.65 × 2,690.71
  4. Step 4: Simplify right side
    8,237.49x = 33,245,471.01
  5. Step 5: Solve for x
    x = 33,245,471.01/8,237.49
  6. Step 6: Final answer
    x = 4,035.87

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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.