Home / 4,086.67-6,130.15-1,313.34

Finding the Fourth Proportional to 4,086.67, 6,130.15 and 1,313.34

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Solution

The fourth proportional to 4,086.67, 6,130.15 and 1,313.34 is: 1,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.67 : 6,130.15 = 1,313.34 : x
  2. Step 2: Convert to fraction form
    4,086.67/6,130.15 = 1,313.34/x
  3. Step 3: Cross multiply
    4,086.67x = 6,130.15 × 1,313.34
  4. Step 4: Simplify right side
    4,086.67x = 8,050,964.94
  5. Step 5: Solve for x
    x = 8,050,964.94/4,086.67
  6. Step 6: Final answer
    x = 1,970.05

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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.