Home / 4,639.43-6,402.71-2,543.56

Finding the Fourth Proportional to 4,639.43, 6,402.71 and 2,543.56

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Solution

The fourth proportional to 4,639.43, 6,402.71 and 2,543.56 is: 3,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.43 : 6,402.71 = 2,543.56 : x
  2. Step 2: Convert to fraction form
    4,639.43/6,402.71 = 2,543.56/x
  3. Step 3: Cross multiply
    4,639.43x = 6,402.71 × 2,543.56
  4. Step 4: Simplify right side
    4,639.43x = 16,285,677.05
  5. Step 5: Solve for x
    x = 16,285,677.05/4,639.43
  6. Step 6: Final answer
    x = 3,510.28

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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.