Home / 5,188.56-7,783.92-1,725.72

Finding the Fourth Proportional to 5,188.56, 7,783.92 and 1,725.72

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Solution

The fourth proportional to 5,188.56, 7,783.92 and 1,725.72 is: 2,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.56 : 7,783.92 = 1,725.72 : x
  2. Step 2: Convert to fraction form
    5,188.56/7,783.92 = 1,725.72/x
  3. Step 3: Cross multiply
    5,188.56x = 7,783.92 × 1,725.72
  4. Step 4: Simplify right side
    5,188.56x = 13,432,866.42
  5. Step 5: Solve for x
    x = 13,432,866.42/5,188.56
  6. Step 6: Final answer
    x = 2,588.94

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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.