Home / 4,086.87-6,130.51-1,165.61

Finding the Fourth Proportional to 4,086.87, 6,130.51 and 1,165.61

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Solution

The fourth proportional to 4,086.87, 6,130.51 and 1,165.61 is: 1,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.87 : 6,130.51 = 1,165.61 : x
  2. Step 2: Convert to fraction form
    4,086.87/6,130.51 = 1,165.61/x
  3. Step 3: Cross multiply
    4,086.87x = 6,130.51 × 1,165.61
  4. Step 4: Simplify right side
    4,086.87x = 7,145,750.19
  5. Step 5: Solve for x
    x = 7,145,750.19/4,086.87
  6. Step 6: Final answer
    x = 1,748.47

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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.