Home / 7,434.60-11,139.84-3,924.42

Finding the Fourth Proportional to 7,434.60, 11,139.84 and 3,924.42

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Solution

The fourth proportional to 7,434.60, 11,139.84 and 3,924.42 is: 5,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.60 : 11,139.84 = 3,924.42 : x
  2. Step 2: Convert to fraction form
    7,434.60/11,139.84 = 3,924.42/x
  3. Step 3: Cross multiply
    7,434.60x = 11,139.84 × 3,924.42
  4. Step 4: Simplify right side
    7,434.60x = 43,717,410.89
  5. Step 5: Solve for x
    x = 43,717,410.89/7,434.60
  6. Step 6: Final answer
    x = 5,880.26

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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.