Home / 5,725.60-8,588.40-2,960.80

Finding the Fourth Proportional to 5,725.60, 8,588.40 and 2,960.80

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Solution

The fourth proportional to 5,725.60, 8,588.40 and 2,960.80 is: 4,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.60 : 8,588.40 = 2,960.80 : x
  2. Step 2: Convert to fraction form
    5,725.60/8,588.40 = 2,960.80/x
  3. Step 3: Cross multiply
    5,725.60x = 8,588.40 × 2,960.80
  4. Step 4: Simplify right side
    5,725.60x = 25,428,534.72
  5. Step 5: Solve for x
    x = 25,428,534.72/5,725.60
  6. Step 6: Final answer
    x = 4,441.20

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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.