Home / 5,124.04-7,067.54-3,421.69

Finding the Fourth Proportional to 5,124.04, 7,067.54 and 3,421.69

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Solution

The fourth proportional to 5,124.04, 7,067.54 and 3,421.69 is: 4,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.04 : 7,067.54 = 3,421.69 : x
  2. Step 2: Convert to fraction form
    5,124.04/7,067.54 = 3,421.69/x
  3. Step 3: Cross multiply
    5,124.04x = 7,067.54 × 3,421.69
  4. Step 4: Simplify right side
    5,124.04x = 24,182,930.94
  5. Step 5: Solve for x
    x = 24,182,930.94/5,124.04
  6. Step 6: Final answer
    x = 4,719.50

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Half scale
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Double scale
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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.