Home / 4,086.88-6,130.20-1,313.74

Finding the Fourth Proportional to 4,086.88, 6,130.20 and 1,313.74

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Solution

The fourth proportional to 4,086.88, 6,130.20 and 1,313.74 is: 1,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.88 : 6,130.20 = 1,313.74 : x
  2. Step 2: Convert to fraction form
    4,086.88/6,130.20 = 1,313.74/x
  3. Step 3: Cross multiply
    4,086.88x = 6,130.20 × 1,313.74
  4. Step 4: Simplify right side
    4,086.88x = 8,053,488.95
  5. Step 5: Solve for x
    x = 8,053,488.95/4,086.88
  6. Step 6: Final answer
    x = 1,970.57

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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.