Home / 6,189.60-8,541.48-4,090.08

Finding the Fourth Proportional to 6,189.60, 8,541.48 and 4,090.08

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Solution

The fourth proportional to 6,189.60, 8,541.48 and 4,090.08 is: 5,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.60 : 8,541.48 = 4,090.08 : x
  2. Step 2: Convert to fraction form
    6,189.60/8,541.48 = 4,090.08/x
  3. Step 3: Cross multiply
    6,189.60x = 8,541.48 × 4,090.08
  4. Step 4: Simplify right side
    6,189.60x = 34,935,336.52
  5. Step 5: Solve for x
    x = 34,935,336.52/6,189.60
  6. Step 6: Final answer
    x = 5,644.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.