Home / 5,784.60-8,673.68-3,938.20

Finding the Fourth Proportional to 5,784.60, 8,673.68 and 3,938.20

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Solution

The fourth proportional to 5,784.60, 8,673.68 and 3,938.20 is: 5,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.60 : 8,673.68 = 3,938.20 : x
  2. Step 2: Convert to fraction form
    5,784.60/8,673.68 = 3,938.20/x
  3. Step 3: Cross multiply
    5,784.60x = 8,673.68 × 3,938.20
  4. Step 4: Simplify right side
    5,784.60x = 34,158,686.58
  5. Step 5: Solve for x
    x = 34,158,686.58/5,784.60
  6. Step 6: Final answer
    x = 5,905.11

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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.