Home / 4,571.36-6,859.70-1,938.72

Finding the Fourth Proportional to 4,571.36, 6,859.70 and 1,938.72

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Solution

The fourth proportional to 4,571.36, 6,859.70 and 1,938.72 is: 2,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.36 : 6,859.70 = 1,938.72 : x
  2. Step 2: Convert to fraction form
    4,571.36/6,859.70 = 1,938.72/x
  3. Step 3: Cross multiply
    4,571.36x = 6,859.70 × 1,938.72
  4. Step 4: Simplify right side
    4,571.36x = 13,299,037.58
  5. Step 5: Solve for x
    x = 13,299,037.58/4,571.36
  6. Step 6: Final answer
    x = 2,909.21

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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.