Home / 4,090.10-6,135.15-2,445.80

Finding the Fourth Proportional to 4,090.10, 6,135.15 and 2,445.80

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Solution

The fourth proportional to 4,090.10, 6,135.15 and 2,445.80 is: 3,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.10 : 6,135.15 = 2,445.80 : x
  2. Step 2: Convert to fraction form
    4,090.10/6,135.15 = 2,445.80/x
  3. Step 3: Cross multiply
    4,090.10x = 6,135.15 × 2,445.80
  4. Step 4: Simplify right side
    4,090.10x = 15,005,349.87
  5. Step 5: Solve for x
    x = 15,005,349.87/4,090.10
  6. Step 6: Final answer
    x = 3,668.70

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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.