Home / 5,516.19-7,610.81-3,158.19

Finding the Fourth Proportional to 5,516.19, 7,610.81 and 3,158.19

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Solution

The fourth proportional to 5,516.19, 7,610.81 and 3,158.19 is: 4,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.19 : 7,610.81 = 3,158.19 : x
  2. Step 2: Convert to fraction form
    5,516.19/7,610.81 = 3,158.19/x
  3. Step 3: Cross multiply
    5,516.19x = 7,610.81 × 3,158.19
  4. Step 4: Simplify right side
    5,516.19x = 24,036,368.24
  5. Step 5: Solve for x
    x = 24,036,368.24/5,516.19
  6. Step 6: Final answer
    x = 4,357.42

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.