Home / 6,855.90-10,283.58-4,769.88

Finding the Fourth Proportional to 6,855.90, 10,283.58 and 4,769.88

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Solution

The fourth proportional to 6,855.90, 10,283.58 and 4,769.88 is: 7,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.90 : 10,283.58 = 4,769.88 : x
  2. Step 2: Convert to fraction form
    6,855.90/10,283.58 = 4,769.88/x
  3. Step 3: Cross multiply
    6,855.90x = 10,283.58 × 4,769.88
  4. Step 4: Simplify right side
    6,855.90x = 49,051,442.57
  5. Step 5: Solve for x
    x = 49,051,442.57/6,855.90
  6. Step 6: Final answer
    x = 7,154.63

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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.