Home / 6,523.18-9,782.71-2,139.62

Finding the Fourth Proportional to 6,523.18, 9,782.71 and 2,139.62

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Solution

The fourth proportional to 6,523.18, 9,782.71 and 2,139.62 is: 3,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.18 : 9,782.71 = 2,139.62 : x
  2. Step 2: Convert to fraction form
    6,523.18/9,782.71 = 2,139.62/x
  3. Step 3: Cross multiply
    6,523.18x = 9,782.71 × 2,139.62
  4. Step 4: Simplify right side
    6,523.18x = 20,931,239.74
  5. Step 5: Solve for x
    x = 20,931,239.74/6,523.18
  6. Step 6: Final answer
    x = 3,208.75

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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.