Home / 5,007.16-6,909.68-2,768.89

Finding the Fourth Proportional to 5,007.16, 6,909.68 and 2,768.89

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Solution

The fourth proportional to 5,007.16, 6,909.68 and 2,768.89 is: 3,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.16 : 6,909.68 = 2,768.89 : x
  2. Step 2: Convert to fraction form
    5,007.16/6,909.68 = 2,768.89/x
  3. Step 3: Cross multiply
    5,007.16x = 6,909.68 × 2,768.89
  4. Step 4: Simplify right side
    5,007.16x = 19,132,143.86
  5. Step 5: Solve for x
    x = 19,132,143.86/5,007.16
  6. Step 6: Final answer
    x = 3,820.96

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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.