Home / 4,381.29-6,571.94-1,915.45

Finding the Fourth Proportional to 4,381.29, 6,571.94 and 1,915.45

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Solution

The fourth proportional to 4,381.29, 6,571.94 and 1,915.45 is: 2,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.29 : 6,571.94 = 1,915.45 : x
  2. Step 2: Convert to fraction form
    4,381.29/6,571.94 = 1,915.45/x
  3. Step 3: Cross multiply
    4,381.29x = 6,571.94 × 1,915.45
  4. Step 4: Simplify right side
    4,381.29x = 12,588,196.47
  5. Step 5: Solve for x
    x = 12,588,196.47/4,381.29
  6. Step 6: Final answer
    x = 2,873.17

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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.