Home / 5,261.47-7,894.52-4,089.71

Finding the Fourth Proportional to 5,261.47, 7,894.52 and 4,089.71

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Solution

The fourth proportional to 5,261.47, 7,894.52 and 4,089.71 is: 6,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.47 : 7,894.52 = 4,089.71 : x
  2. Step 2: Convert to fraction form
    5,261.47/7,894.52 = 4,089.71/x
  3. Step 3: Cross multiply
    5,261.47x = 7,894.52 × 4,089.71
  4. Step 4: Simplify right side
    5,261.47x = 32,286,296.68
  5. Step 5: Solve for x
    x = 32,286,296.68/5,261.47
  6. Step 6: Final answer
    x = 6,136.37

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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.