Home / 8,348.84-11,521.32-4,812.80

Finding the Fourth Proportional to 8,348.84, 11,521.32 and 4,812.80

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Solution

The fourth proportional to 8,348.84, 11,521.32 and 4,812.80 is: 6,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.84 : 11,521.32 = 4,812.80 : x
  2. Step 2: Convert to fraction form
    8,348.84/11,521.32 = 4,812.80/x
  3. Step 3: Cross multiply
    8,348.84x = 11,521.32 × 4,812.80
  4. Step 4: Simplify right side
    8,348.84x = 55,449,808.90
  5. Step 5: Solve for x
    x = 55,449,808.90/8,348.84
  6. Step 6: Final answer
    x = 6,641.62

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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.