Home / 4,013.84-5,538.18-2,521.21

Finding the Fourth Proportional to 4,013.84, 5,538.18 and 2,521.21

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Solution

The fourth proportional to 4,013.84, 5,538.18 and 2,521.21 is: 3,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.84 : 5,538.18 = 2,521.21 : x
  2. Step 2: Convert to fraction form
    4,013.84/5,538.18 = 2,521.21/x
  3. Step 3: Cross multiply
    4,013.84x = 5,538.18 × 2,521.21
  4. Step 4: Simplify right side
    4,013.84x = 13,962,910.41
  5. Step 5: Solve for x
    x = 13,962,910.41/4,013.84
  6. Step 6: Final answer
    x = 3,478.70

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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.