Home / 9,327.80-13,982.90-4,643.38

Finding the Fourth Proportional to 9,327.80, 13,982.90 and 4,643.38

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Solution

The fourth proportional to 9,327.80, 13,982.90 and 4,643.38 is: 6,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.80 : 13,982.90 = 4,643.38 : x
  2. Step 2: Convert to fraction form
    9,327.80/13,982.90 = 4,643.38/x
  3. Step 3: Cross multiply
    9,327.80x = 13,982.90 × 4,643.38
  4. Step 4: Simplify right side
    9,327.80x = 64,927,872.99
  5. Step 5: Solve for x
    x = 64,927,872.99/9,327.80
  6. Step 6: Final answer
    x = 6,960.68

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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.