Home / 4,639.50-6,402.54-2,515.05

Finding the Fourth Proportional to 4,639.50, 6,402.54 and 2,515.05

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Solution

The fourth proportional to 4,639.50, 6,402.54 and 2,515.05 is: 3,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.50 : 6,402.54 = 2,515.05 : x
  2. Step 2: Convert to fraction form
    4,639.50/6,402.54 = 2,515.05/x
  3. Step 3: Cross multiply
    4,639.50x = 6,402.54 × 2,515.05
  4. Step 4: Simplify right side
    4,639.50x = 16,102,708.23
  5. Step 5: Solve for x
    x = 16,102,708.23/4,639.50
  6. Step 6: Final answer
    x = 3,470.79

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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.