Home / 9,219.04-13,830.96-2,645.72

Finding the Fourth Proportional to 9,219.04, 13,830.96 and 2,645.72

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Solution

The fourth proportional to 9,219.04, 13,830.96 and 2,645.72 is: 3,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.04 : 13,830.96 = 2,645.72 : x
  2. Step 2: Convert to fraction form
    9,219.04/13,830.96 = 2,645.72/x
  3. Step 3: Cross multiply
    9,219.04x = 13,830.96 × 2,645.72
  4. Step 4: Simplify right side
    9,219.04x = 36,592,847.49
  5. Step 5: Solve for x
    x = 36,592,847.49/9,219.04
  6. Step 6: Final answer
    x = 3,969.27

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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.