Home / 8,987.56-13,481.36-4,051.46

Finding the Fourth Proportional to 8,987.56, 13,481.36 and 4,051.46

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Solution

The fourth proportional to 8,987.56, 13,481.36 and 4,051.46 is: 6,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.56 : 13,481.36 = 4,051.46 : x
  2. Step 2: Convert to fraction form
    8,987.56/13,481.36 = 4,051.46/x
  3. Step 3: Cross multiply
    8,987.56x = 13,481.36 × 4,051.46
  4. Step 4: Simplify right side
    8,987.56x = 54,619,190.79
  5. Step 5: Solve for x
    x = 54,619,190.79/8,987.56
  6. Step 6: Final answer
    x = 6,077.20

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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.