Home / 5,365.60-8,026.80-4,847.20

Finding the Fourth Proportional to 5,365.60, 8,026.80 and 4,847.20

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Solution

The fourth proportional to 5,365.60, 8,026.80 and 4,847.20 is: 7,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.60 : 8,026.80 = 4,847.20 : x
  2. Step 2: Convert to fraction form
    5,365.60/8,026.80 = 4,847.20/x
  3. Step 3: Cross multiply
    5,365.60x = 8,026.80 × 4,847.20
  4. Step 4: Simplify right side
    5,365.60x = 38,907,504.96
  5. Step 5: Solve for x
    x = 38,907,504.96/5,365.60
  6. Step 6: Final answer
    x = 7,251.29

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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.