Home / 4,090.63-6,135.03-1,316.77

Finding the Fourth Proportional to 4,090.63, 6,135.03 and 1,316.77

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Solution

The fourth proportional to 4,090.63, 6,135.03 and 1,316.77 is: 1,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.63 : 6,135.03 = 1,316.77 : x
  2. Step 2: Convert to fraction form
    4,090.63/6,135.03 = 1,316.77/x
  3. Step 3: Cross multiply
    4,090.63x = 6,135.03 × 1,316.77
  4. Step 4: Simplify right side
    4,090.63x = 8,078,423.45
  5. Step 5: Solve for x
    x = 8,078,423.45/4,090.63
  6. Step 6: Final answer
    x = 1,974.86

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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.