Home / 4,725.59-7,089.39-1,438.94

Finding the Fourth Proportional to 4,725.59, 7,089.39 and 1,438.94

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Solution

The fourth proportional to 4,725.59, 7,089.39 and 1,438.94 is: 2,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.59 : 7,089.39 = 1,438.94 : x
  2. Step 2: Convert to fraction form
    4,725.59/7,089.39 = 1,438.94/x
  3. Step 3: Cross multiply
    4,725.59x = 7,089.39 × 1,438.94
  4. Step 4: Simplify right side
    4,725.59x = 10,201,224.57
  5. Step 5: Solve for x
    x = 10,201,224.57/4,725.59
  6. Step 6: Final answer
    x = 2,158.72

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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.