Home / 6,523.90-9,783.80-2,140.36

Finding the Fourth Proportional to 6,523.90, 9,783.80 and 2,140.36

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Solution

The fourth proportional to 6,523.90, 9,783.80 and 2,140.36 is: 3,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.90 : 9,783.80 = 2,140.36 : x
  2. Step 2: Convert to fraction form
    6,523.90/9,783.80 = 2,140.36/x
  3. Step 3: Cross multiply
    6,523.90x = 9,783.80 × 2,140.36
  4. Step 4: Simplify right side
    6,523.90x = 20,940,854.17
  5. Step 5: Solve for x
    x = 20,940,854.17/6,523.90
  6. Step 6: Final answer
    x = 3,209.87

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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.