Home / 4,309.74-6,451.85-2,660.98

Finding the Fourth Proportional to 4,309.74, 6,451.85 and 2,660.98

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Solution

The fourth proportional to 4,309.74, 6,451.85 and 2,660.98 is: 3,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.74 : 6,451.85 = 2,660.98 : x
  2. Step 2: Convert to fraction form
    4,309.74/6,451.85 = 2,660.98/x
  3. Step 3: Cross multiply
    4,309.74x = 6,451.85 × 2,660.98
  4. Step 4: Simplify right side
    4,309.74x = 17,168,230.51
  5. Step 5: Solve for x
    x = 17,168,230.51/4,309.74
  6. Step 6: Final answer
    x = 3,983.59

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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.