Home / 4,786.40-6,604.96-2,690.56

Finding the Fourth Proportional to 4,786.40, 6,604.96 and 2,690.56

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Solution

The fourth proportional to 4,786.40, 6,604.96 and 2,690.56 is: 3,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.40 : 6,604.96 = 2,690.56 : x
  2. Step 2: Convert to fraction form
    4,786.40/6,604.96 = 2,690.56/x
  3. Step 3: Cross multiply
    4,786.40x = 6,604.96 × 2,690.56
  4. Step 4: Simplify right side
    4,786.40x = 17,771,041.18
  5. Step 5: Solve for x
    x = 17,771,041.18/4,786.40
  6. Step 6: Final answer
    x = 3,712.82

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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.