Home / 8,237.23-12,358.59-2,690.80

Finding the Fourth Proportional to 8,237.23, 12,358.59 and 2,690.80

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Solution

The fourth proportional to 8,237.23, 12,358.59 and 2,690.80 is: 4,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.23 : 12,358.59 = 2,690.80 : x
  2. Step 2: Convert to fraction form
    8,237.23/12,358.59 = 2,690.80/x
  3. Step 3: Cross multiply
    8,237.23x = 12,358.59 × 2,690.80
  4. Step 4: Simplify right side
    8,237.23x = 33,254,493.97
  5. Step 5: Solve for x
    x = 33,254,493.97/8,237.23
  6. Step 6: Final answer
    x = 4,037.10

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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.