Home / 5,748.60-8,622.90-3,905.40

Finding the Fourth Proportional to 5,748.60, 8,622.90 and 3,905.40

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Solution

The fourth proportional to 5,748.60, 8,622.90 and 3,905.40 is: 5,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.60 : 8,622.90 = 3,905.40 : x
  2. Step 2: Convert to fraction form
    5,748.60/8,622.90 = 3,905.40/x
  3. Step 3: Cross multiply
    5,748.60x = 8,622.90 × 3,905.40
  4. Step 4: Simplify right side
    5,748.60x = 33,675,873.66
  5. Step 5: Solve for x
    x = 33,675,873.66/5,748.60
  6. Step 6: Final answer
    x = 5,858.10

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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.