Home / 4,191.12-5,774.76-3,011.76

Finding the Fourth Proportional to 4,191.12, 5,774.76 and 3,011.76

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Solution

The fourth proportional to 4,191.12, 5,774.76 and 3,011.76 is: 4,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.12 : 5,774.76 = 3,011.76 : x
  2. Step 2: Convert to fraction form
    4,191.12/5,774.76 = 3,011.76/x
  3. Step 3: Cross multiply
    4,191.12x = 5,774.76 × 3,011.76
  4. Step 4: Simplify right side
    4,191.12x = 17,392,191.18
  5. Step 5: Solve for x
    x = 17,392,191.18/4,191.12
  6. Step 6: Final answer
    x = 4,149.77

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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.