Home / 8,443.89-11,652.97-5,087.74

Finding the Fourth Proportional to 8,443.89, 11,652.97 and 5,087.74

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Solution

The fourth proportional to 8,443.89, 11,652.97 and 5,087.74 is: 7,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.89 : 11,652.97 = 5,087.74 : x
  2. Step 2: Convert to fraction form
    8,443.89/11,652.97 = 5,087.74/x
  3. Step 3: Cross multiply
    8,443.89x = 11,652.97 × 5,087.74
  4. Step 4: Simplify right side
    8,443.89x = 59,287,281.59
  5. Step 5: Solve for x
    x = 59,287,281.59/8,443.89
  6. Step 6: Final answer
    x = 7,021.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.