Home / 6,521.55-9,783.08-2,077.65

Finding the Fourth Proportional to 6,521.55, 9,783.08 and 2,077.65

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Solution

The fourth proportional to 6,521.55, 9,783.08 and 2,077.65 is: 3,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.55 : 9,783.08 = 2,077.65 : x
  2. Step 2: Convert to fraction form
    6,521.55/9,783.08 = 2,077.65/x
  3. Step 3: Cross multiply
    6,521.55x = 9,783.08 × 2,077.65
  4. Step 4: Simplify right side
    6,521.55x = 20,325,813.56
  5. Step 5: Solve for x
    x = 20,325,813.56/6,521.55
  6. Step 6: Final answer
    x = 3,116.71

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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.