Home / 4,090.15-6,135.29-1,012.15

Finding the Fourth Proportional to 4,090.15, 6,135.29 and 1,012.15

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Solution

The fourth proportional to 4,090.15, 6,135.29 and 1,012.15 is: 1,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.15 : 6,135.29 = 1,012.15 : x
  2. Step 2: Convert to fraction form
    4,090.15/6,135.29 = 1,012.15/x
  3. Step 3: Cross multiply
    4,090.15x = 6,135.29 × 1,012.15
  4. Step 4: Simplify right side
    4,090.15x = 6,209,833.77
  5. Step 5: Solve for x
    x = 6,209,833.77/4,090.15
  6. Step 6: Final answer
    x = 1,518.24

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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.