Home / 5,725.40-8,588.90-1,828.89

Finding the Fourth Proportional to 5,725.40, 8,588.90 and 1,828.89

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Solution

The fourth proportional to 5,725.40, 8,588.90 and 1,828.89 is: 2,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.40 : 8,588.90 = 1,828.89 : x
  2. Step 2: Convert to fraction form
    5,725.40/8,588.90 = 1,828.89/x
  3. Step 3: Cross multiply
    5,725.40x = 8,588.90 × 1,828.89
  4. Step 4: Simplify right side
    5,725.40x = 15,708,157.89
  5. Step 5: Solve for x
    x = 15,708,157.89/5,725.40
  6. Step 6: Final answer
    x = 2,743.59

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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.