Home / 7,975.04-11,962.56-2,779.52

Finding the Fourth Proportional to 7,975.04, 11,962.56 and 2,779.52

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Solution

The fourth proportional to 7,975.04, 11,962.56 and 2,779.52 is: 4,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.04 : 11,962.56 = 2,779.52 : x
  2. Step 2: Convert to fraction form
    7,975.04/11,962.56 = 2,779.52/x
  3. Step 3: Cross multiply
    7,975.04x = 11,962.56 × 2,779.52
  4. Step 4: Simplify right side
    7,975.04x = 33,250,174.77
  5. Step 5: Solve for x
    x = 33,250,174.77/7,975.04
  6. Step 6: Final answer
    x = 4,169.28

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Similar ratio
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1.5x scale

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.