Home / 5,006.77-6,909.30-2,768.61

Finding the Fourth Proportional to 5,006.77, 6,909.30 and 2,768.61

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Solution

The fourth proportional to 5,006.77, 6,909.30 and 2,768.61 is: 3,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.77 : 6,909.30 = 2,768.61 : x
  2. Step 2: Convert to fraction form
    5,006.77/6,909.30 = 2,768.61/x
  3. Step 3: Cross multiply
    5,006.77x = 6,909.30 × 2,768.61
  4. Step 4: Simplify right side
    5,006.77x = 19,129,157.07
  5. Step 5: Solve for x
    x = 19,129,157.07/5,006.77
  6. Step 6: Final answer
    x = 3,820.66

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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.