Home / 4,086.64-6,130.36-1,313.36

Finding the Fourth Proportional to 4,086.64, 6,130.36 and 1,313.36

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Solution

The fourth proportional to 4,086.64, 6,130.36 and 1,313.36 is: 1,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.64 : 6,130.36 = 1,313.36 : x
  2. Step 2: Convert to fraction form
    4,086.64/6,130.36 = 1,313.36/x
  3. Step 3: Cross multiply
    4,086.64x = 6,130.36 × 1,313.36
  4. Step 4: Simplify right side
    4,086.64x = 8,051,369.61
  5. Step 5: Solve for x
    x = 8,051,369.61/4,086.64
  6. Step 6: Final answer
    x = 1,970.17

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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.