Home / 4,810.88-6,639.42-2,715.41

Finding the Fourth Proportional to 4,810.88, 6,639.42 and 2,715.41

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Solution

The fourth proportional to 4,810.88, 6,639.42 and 2,715.41 is: 3,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.88 : 6,639.42 = 2,715.41 : x
  2. Step 2: Convert to fraction form
    4,810.88/6,639.42 = 2,715.41/x
  3. Step 3: Cross multiply
    4,810.88x = 6,639.42 × 2,715.41
  4. Step 4: Simplify right side
    4,810.88x = 18,028,747.46
  5. Step 5: Solve for x
    x = 18,028,747.46/4,810.88
  6. Step 6: Final answer
    x = 3,747.49

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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.