Home / 4,639.77-6,402.65-2,543.49

Finding the Fourth Proportional to 4,639.77, 6,402.65 and 2,543.49

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Solution

The fourth proportional to 4,639.77, 6,402.65 and 2,543.49 is: 3,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.77 : 6,402.65 = 2,543.49 : x
  2. Step 2: Convert to fraction form
    4,639.77/6,402.65 = 2,543.49/x
  3. Step 3: Cross multiply
    4,639.77x = 6,402.65 × 2,543.49
  4. Step 4: Simplify right side
    4,639.77x = 16,285,063.53
  5. Step 5: Solve for x
    x = 16,285,063.53/4,639.77
  6. Step 6: Final answer
    x = 3,509.89

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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.