Home / 4,685.20-6,465.52-2,798

Finding the Fourth Proportional to 4,685.20, 6,465.52 and 2,798

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Solution

The fourth proportional to 4,685.20, 6,465.52 and 2,798 is: 3,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.20 : 6,465.52 = 2,798 : x
  2. Step 2: Convert to fraction form
    4,685.20/6,465.52 = 2,798/x
  3. Step 3: Cross multiply
    4,685.20x = 6,465.52 × 2,798
  4. Step 4: Simplify right side
    4,685.20x = 18,090,524.96
  5. Step 5: Solve for x
    x = 18,090,524.96/4,685.20
  6. Step 6: Final answer
    x = 3,861.21

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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.