Home / 5,007.04-6,909.60-2,768.80

Finding the Fourth Proportional to 5,007.04, 6,909.60 and 2,768.80

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Solution

The fourth proportional to 5,007.04, 6,909.60 and 2,768.80 is: 3,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.04 : 6,909.60 = 2,768.80 : x
  2. Step 2: Convert to fraction form
    5,007.04/6,909.60 = 2,768.80/x
  3. Step 3: Cross multiply
    5,007.04x = 6,909.60 × 2,768.80
  4. Step 4: Simplify right side
    5,007.04x = 19,131,300.48
  5. Step 5: Solve for x
    x = 19,131,300.48/5,007.04
  6. Step 6: Final answer
    x = 3,820.88

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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.