Home / 4,639.13-6,401.99-2,543.25

Finding the Fourth Proportional to 4,639.13, 6,401.99 and 2,543.25

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Solution

The fourth proportional to 4,639.13, 6,401.99 and 2,543.25 is: 3,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.13 : 6,401.99 = 2,543.25 : x
  2. Step 2: Convert to fraction form
    4,639.13/6,401.99 = 2,543.25/x
  3. Step 3: Cross multiply
    4,639.13x = 6,401.99 × 2,543.25
  4. Step 4: Simplify right side
    4,639.13x = 16,281,867.43
  5. Step 5: Solve for x
    x = 16,281,867.43/4,639.13
  6. Step 6: Final answer
    x = 3,509.69

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1.5x scale

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.