Home / 4,639.86-6,403.08-2,543.96

Finding the Fourth Proportional to 4,639.86, 6,403.08 and 2,543.96

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Solution

The fourth proportional to 4,639.86, 6,403.08 and 2,543.96 is: 3,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.86 : 6,403.08 = 2,543.96 : x
  2. Step 2: Convert to fraction form
    4,639.86/6,403.08 = 2,543.96/x
  3. Step 3: Cross multiply
    4,639.86x = 6,403.08 × 2,543.96
  4. Step 4: Simplify right side
    4,639.86x = 16,289,179.40
  5. Step 5: Solve for x
    x = 16,289,179.40/4,639.86
  6. Step 6: Final answer
    x = 3,510.70

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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.