Home / 9,120.04-13,682.54-3,924.76

Finding the Fourth Proportional to 9,120.04, 13,682.54 and 3,924.76

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Solution

The fourth proportional to 9,120.04, 13,682.54 and 3,924.76 is: 5,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.04 : 13,682.54 = 3,924.76 : x
  2. Step 2: Convert to fraction form
    9,120.04/13,682.54 = 3,924.76/x
  3. Step 3: Cross multiply
    9,120.04x = 13,682.54 × 3,924.76
  4. Step 4: Simplify right side
    9,120.04x = 53,700,685.69
  5. Step 5: Solve for x
    x = 53,700,685.69/9,120.04
  6. Step 6: Final answer
    x = 5,888.21

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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.