Home / 4,639.71-6,402.78-2,543.84

Finding the Fourth Proportional to 4,639.71, 6,402.78 and 2,543.84

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Solution

The fourth proportional to 4,639.71, 6,402.78 and 2,543.84 is: 3,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.71 : 6,402.78 = 2,543.84 : x
  2. Step 2: Convert to fraction form
    4,639.71/6,402.78 = 2,543.84/x
  3. Step 3: Cross multiply
    4,639.71x = 6,402.78 × 2,543.84
  4. Step 4: Simplify right side
    4,639.71x = 16,287,615.86
  5. Step 5: Solve for x
    x = 16,287,615.86/4,639.71
  6. Step 6: Final answer
    x = 3,510.48

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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.