Home / 8,385.69-12,577.82-2,838.92

Finding the Fourth Proportional to 8,385.69, 12,577.82 and 2,838.92

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Solution

The fourth proportional to 8,385.69, 12,577.82 and 2,838.92 is: 4,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.69 : 12,577.82 = 2,838.92 : x
  2. Step 2: Convert to fraction form
    8,385.69/12,577.82 = 2,838.92/x
  3. Step 3: Cross multiply
    8,385.69x = 12,577.82 × 2,838.92
  4. Step 4: Simplify right side
    8,385.69x = 35,707,347.67
  5. Step 5: Solve for x
    x = 35,707,347.67/8,385.69
  6. Step 6: Final answer
    x = 4,258.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.