Home / 4,572.10-6,856.79-1,939.57

Finding the Fourth Proportional to 4,572.10, 6,856.79 and 1,939.57

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Solution

The fourth proportional to 4,572.10, 6,856.79 and 1,939.57 is: 2,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.10 : 6,856.79 = 1,939.57 : x
  2. Step 2: Convert to fraction form
    4,572.10/6,856.79 = 1,939.57/x
  3. Step 3: Cross multiply
    4,572.10x = 6,856.79 × 1,939.57
  4. Step 4: Simplify right side
    4,572.10x = 13,299,216.63
  5. Step 5: Solve for x
    x = 13,299,216.63/4,572.10
  6. Step 6: Final answer
    x = 2,908.78

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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.