Home / 4,502.70-6,754.44-1,215.78

Finding the Fourth Proportional to 4,502.70, 6,754.44 and 1,215.78

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Solution

The fourth proportional to 4,502.70, 6,754.44 and 1,215.78 is: 1,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.70 : 6,754.44 = 1,215.78 : x
  2. Step 2: Convert to fraction form
    4,502.70/6,754.44 = 1,215.78/x
  3. Step 3: Cross multiply
    4,502.70x = 6,754.44 × 1,215.78
  4. Step 4: Simplify right side
    4,502.70x = 8,211,913.06
  5. Step 5: Solve for x
    x = 8,211,913.06/4,502.70
  6. Step 6: Final answer
    x = 1,823.78

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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.