Home / 5,429.64-7,493.71-3,440.39

Finding the Fourth Proportional to 5,429.64, 7,493.71 and 3,440.39

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Solution

The fourth proportional to 5,429.64, 7,493.71 and 3,440.39 is: 4,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.64 : 7,493.71 = 3,440.39 : x
  2. Step 2: Convert to fraction form
    5,429.64/7,493.71 = 3,440.39/x
  3. Step 3: Cross multiply
    5,429.64x = 7,493.71 × 3,440.39
  4. Step 4: Simplify right side
    5,429.64x = 25,781,256.08
  5. Step 5: Solve for x
    x = 25,781,256.08/5,429.64
  6. Step 6: Final answer
    x = 4,748.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.