Home / 5,459.36-8,182.56-3,146.08

Finding the Fourth Proportional to 5,459.36, 8,182.56 and 3,146.08

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Solution

The fourth proportional to 5,459.36, 8,182.56 and 3,146.08 is: 4,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.36 : 8,182.56 = 3,146.08 : x
  2. Step 2: Convert to fraction form
    5,459.36/8,182.56 = 3,146.08/x
  3. Step 3: Cross multiply
    5,459.36x = 8,182.56 × 3,146.08
  4. Step 4: Simplify right side
    5,459.36x = 25,742,988.36
  5. Step 5: Solve for x
    x = 25,742,988.36/5,459.36
  6. Step 6: Final answer
    x = 4,715.39

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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.