Home / 5,604.60-8,412.30-4,783.80

Finding the Fourth Proportional to 5,604.60, 8,412.30 and 4,783.80

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Solution

The fourth proportional to 5,604.60, 8,412.30 and 4,783.80 is: 7,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.60 : 8,412.30 = 4,783.80 : x
  2. Step 2: Convert to fraction form
    5,604.60/8,412.30 = 4,783.80/x
  3. Step 3: Cross multiply
    5,604.60x = 8,412.30 × 4,783.80
  4. Step 4: Simplify right side
    5,604.60x = 40,242,760.74
  5. Step 5: Solve for x
    x = 40,242,760.74/5,604.60
  6. Step 6: Final answer
    x = 7,180.31

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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.