Home / 4,872.14-7,291.79-2,925.71

Finding the Fourth Proportional to 4,872.14, 7,291.79 and 2,925.71

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Solution

The fourth proportional to 4,872.14, 7,291.79 and 2,925.71 is: 4,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.14 : 7,291.79 = 2,925.71 : x
  2. Step 2: Convert to fraction form
    4,872.14/7,291.79 = 2,925.71/x
  3. Step 3: Cross multiply
    4,872.14x = 7,291.79 × 2,925.71
  4. Step 4: Simplify right side
    4,872.14x = 21,333,611.83
  5. Step 5: Solve for x
    x = 21,333,611.83/4,872.14
  6. Step 6: Final answer
    x = 4,378.70

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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.