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Finding the Fourth Proportional to 4,630.69, 6,390.69 and 2,641.29

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Solution

The fourth proportional to 4,630.69, 6,390.69 and 2,641.29 is: 3,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.69 : 6,390.69 = 2,641.29 : x
  2. Step 2: Convert to fraction form
    4,630.69/6,390.69 = 2,641.29/x
  3. Step 3: Cross multiply
    4,630.69x = 6,390.69 × 2,641.29
  4. Step 4: Simplify right side
    4,630.69x = 16,879,665.59
  5. Step 5: Solve for x
    x = 16,879,665.59/4,630.69
  6. Step 6: Final answer
    x = 3,645.17

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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.