Home / 9,318.30-13,980.06-2,744.34

Finding the Fourth Proportional to 9,318.30, 13,980.06 and 2,744.34

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Solution

The fourth proportional to 9,318.30, 13,980.06 and 2,744.34 is: 4,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.30 : 13,980.06 = 2,744.34 : x
  2. Step 2: Convert to fraction form
    9,318.30/13,980.06 = 2,744.34/x
  3. Step 3: Cross multiply
    9,318.30x = 13,980.06 × 2,744.34
  4. Step 4: Simplify right side
    9,318.30x = 38,366,037.86
  5. Step 5: Solve for x
    x = 38,366,037.86/9,318.30
  6. Step 6: Final answer
    x = 4,117.28

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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.