Home / 4,087.94-5,646.50-3,555.76

Finding the Fourth Proportional to 4,087.94, 5,646.50 and 3,555.76

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Solution

The fourth proportional to 4,087.94, 5,646.50 and 3,555.76 is: 4,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.94 : 5,646.50 = 3,555.76 : x
  2. Step 2: Convert to fraction form
    4,087.94/5,646.50 = 3,555.76/x
  3. Step 3: Cross multiply
    4,087.94x = 5,646.50 × 3,555.76
  4. Step 4: Simplify right side
    4,087.94x = 20,077,598.84
  5. Step 5: Solve for x
    x = 20,077,598.84/4,087.94
  6. Step 6: Final answer
    x = 4,911.42

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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.