Home / 4,639.09-6,401.95-2,543.35

Finding the Fourth Proportional to 4,639.09, 6,401.95 and 2,543.35

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Solution

The fourth proportional to 4,639.09, 6,401.95 and 2,543.35 is: 3,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.09 : 6,401.95 = 2,543.35 : x
  2. Step 2: Convert to fraction form
    4,639.09/6,401.95 = 2,543.35/x
  3. Step 3: Cross multiply
    4,639.09x = 6,401.95 × 2,543.35
  4. Step 4: Simplify right side
    4,639.09x = 16,282,399.53
  5. Step 5: Solve for x
    x = 16,282,399.53/4,639.09
  6. Step 6: Final answer
    x = 3,509.83

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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.