Home / 5,358.96-8,036.88-2,071.28

Finding the Fourth Proportional to 5,358.96, 8,036.88 and 2,071.28

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Solution

The fourth proportional to 5,358.96, 8,036.88 and 2,071.28 is: 3,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.96 : 8,036.88 = 2,071.28 : x
  2. Step 2: Convert to fraction form
    5,358.96/8,036.88 = 2,071.28/x
  3. Step 3: Cross multiply
    5,358.96x = 8,036.88 × 2,071.28
  4. Step 4: Simplify right side
    5,358.96x = 16,646,618.45
  5. Step 5: Solve for x
    x = 16,646,618.45/5,358.96
  6. Step 6: Final answer
    x = 3,106.32

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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.