Home / 8,331.31-12,498.99-2,488.51

Finding the Fourth Proportional to 8,331.31, 12,498.99 and 2,488.51

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Solution

The fourth proportional to 8,331.31, 12,498.99 and 2,488.51 is: 3,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.31 : 12,498.99 = 2,488.51 : x
  2. Step 2: Convert to fraction form
    8,331.31/12,498.99 = 2,488.51/x
  3. Step 3: Cross multiply
    8,331.31x = 12,498.99 × 2,488.51
  4. Step 4: Simplify right side
    8,331.31x = 31,103,861.60
  5. Step 5: Solve for x
    x = 31,103,861.60/8,331.31
  6. Step 6: Final answer
    x = 3,733.37

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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.