Home / 8,331.09-12,490.41-5,043.39

Finding the Fourth Proportional to 8,331.09, 12,490.41 and 5,043.39

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Solution

The fourth proportional to 8,331.09, 12,490.41 and 5,043.39 is: 7,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.09 : 12,490.41 = 5,043.39 : x
  2. Step 2: Convert to fraction form
    8,331.09/12,490.41 = 5,043.39/x
  3. Step 3: Cross multiply
    8,331.09x = 12,490.41 × 5,043.39
  4. Step 4: Simplify right side
    8,331.09x = 62,994,008.89
  5. Step 5: Solve for x
    x = 62,994,008.89/8,331.09
  6. Step 6: Final answer
    x = 7,561.32

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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.