Home / 9,036.36-13,558.32-4,871.43

Finding the Fourth Proportional to 9,036.36, 13,558.32 and 4,871.43

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Solution

The fourth proportional to 9,036.36, 13,558.32 and 4,871.43 is: 7,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.36 : 13,558.32 = 4,871.43 : x
  2. Step 2: Convert to fraction form
    9,036.36/13,558.32 = 4,871.43/x
  3. Step 3: Cross multiply
    9,036.36x = 13,558.32 × 4,871.43
  4. Step 4: Simplify right side
    9,036.36x = 66,048,406.80
  5. Step 5: Solve for x
    x = 66,048,406.80/9,036.36
  6. Step 6: Final answer
    x = 7,309.18

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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.