Home / 5,445.60-8,178.30-3,258.60

Finding the Fourth Proportional to 5,445.60, 8,178.30 and 3,258.60

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Solution

The fourth proportional to 5,445.60, 8,178.30 and 3,258.60 is: 4,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.60 : 8,178.30 = 3,258.60 : x
  2. Step 2: Convert to fraction form
    5,445.60/8,178.30 = 3,258.60/x
  3. Step 3: Cross multiply
    5,445.60x = 8,178.30 × 3,258.60
  4. Step 4: Simplify right side
    5,445.60x = 26,649,808.38
  5. Step 5: Solve for x
    x = 26,649,808.38/5,445.60
  6. Step 6: Final answer
    x = 4,893.82

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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.