Home / 8,939.52-13,412.80-4,558.08

Finding the Fourth Proportional to 8,939.52, 13,412.80 and 4,558.08

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Solution

The fourth proportional to 8,939.52, 13,412.80 and 4,558.08 is: 6,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.52 : 13,412.80 = 4,558.08 : x
  2. Step 2: Convert to fraction form
    8,939.52/13,412.80 = 4,558.08/x
  3. Step 3: Cross multiply
    8,939.52x = 13,412.80 × 4,558.08
  4. Step 4: Simplify right side
    8,939.52x = 61,136,615.42
  5. Step 5: Solve for x
    x = 61,136,615.42/8,939.52
  6. Step 6: Final answer
    x = 6,838.91

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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.