Home / 4,639.15-6,401.91-2,543.28

Finding the Fourth Proportional to 4,639.15, 6,401.91 and 2,543.28

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Solution

The fourth proportional to 4,639.15, 6,401.91 and 2,543.28 is: 3,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.15 : 6,401.91 = 2,543.28 : x
  2. Step 2: Convert to fraction form
    4,639.15/6,401.91 = 2,543.28/x
  3. Step 3: Cross multiply
    4,639.15x = 6,401.91 × 2,543.28
  4. Step 4: Simplify right side
    4,639.15x = 16,281,849.66
  5. Step 5: Solve for x
    x = 16,281,849.66/4,639.15
  6. Step 6: Final answer
    x = 3,509.66

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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.