Home / 5,313.38-7,959.14-3,116.81

Finding the Fourth Proportional to 5,313.38, 7,959.14 and 3,116.81

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Solution

The fourth proportional to 5,313.38, 7,959.14 and 3,116.81 is: 4,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.38 : 7,959.14 = 3,116.81 : x
  2. Step 2: Convert to fraction form
    5,313.38/7,959.14 = 3,116.81/x
  3. Step 3: Cross multiply
    5,313.38x = 7,959.14 × 3,116.81
  4. Step 4: Simplify right side
    5,313.38x = 24,807,134.38
  5. Step 5: Solve for x
    x = 24,807,134.38/5,313.38
  6. Step 6: Final answer
    x = 4,668.80

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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.