Home / 5,342.84-8,013.60-2,220.92

Finding the Fourth Proportional to 5,342.84, 8,013.60 and 2,220.92

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Solution

The fourth proportional to 5,342.84, 8,013.60 and 2,220.92 is: 3,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.84 : 8,013.60 = 2,220.92 : x
  2. Step 2: Convert to fraction form
    5,342.84/8,013.60 = 2,220.92/x
  3. Step 3: Cross multiply
    5,342.84x = 8,013.60 × 2,220.92
  4. Step 4: Simplify right side
    5,342.84x = 17,797,564.51
  5. Step 5: Solve for x
    x = 17,797,564.51/5,342.84
  6. Step 6: Final answer
    x = 3,331.11

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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.