Home / 5,724.20-8,586.30-5,205.80

Finding the Fourth Proportional to 5,724.20, 8,586.30 and 5,205.80

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Solution

The fourth proportional to 5,724.20, 8,586.30 and 5,205.80 is: 7,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.20 : 8,586.30 = 5,205.80 : x
  2. Step 2: Convert to fraction form
    5,724.20/8,586.30 = 5,205.80/x
  3. Step 3: Cross multiply
    5,724.20x = 8,586.30 × 5,205.80
  4. Step 4: Simplify right side
    5,724.20x = 44,698,560.54
  5. Step 5: Solve for x
    x = 44,698,560.54/5,724.20
  6. Step 6: Final answer
    x = 7,808.70

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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.