Home / 6,278.65-8,665.23-4,012.08

Finding the Fourth Proportional to 6,278.65, 8,665.23 and 4,012.08

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Solution

The fourth proportional to 6,278.65, 8,665.23 and 4,012.08 is: 5,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.65 : 8,665.23 = 4,012.08 : x
  2. Step 2: Convert to fraction form
    6,278.65/8,665.23 = 4,012.08/x
  3. Step 3: Cross multiply
    6,278.65x = 8,665.23 × 4,012.08
  4. Step 4: Simplify right side
    6,278.65x = 34,765,604.70
  5. Step 5: Solve for x
    x = 34,765,604.70/6,278.65
  6. Step 6: Final answer
    x = 5,537.12

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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.