Home / 6,890.76-9,504.04-4,769.84

Finding the Fourth Proportional to 6,890.76, 9,504.04 and 4,769.84

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Solution

The fourth proportional to 6,890.76, 9,504.04 and 4,769.84 is: 6,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.76 : 9,504.04 = 4,769.84 : x
  2. Step 2: Convert to fraction form
    6,890.76/9,504.04 = 4,769.84/x
  3. Step 3: Cross multiply
    6,890.76x = 9,504.04 × 4,769.84
  4. Step 4: Simplify right side
    6,890.76x = 45,332,750.15
  5. Step 5: Solve for x
    x = 45,332,750.15/6,890.76
  6. Step 6: Final answer
    x = 6,578.77

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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.