Home / 8,424.27-11,619.72-4,887.54

Finding the Fourth Proportional to 8,424.27, 11,619.72 and 4,887.54

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Solution

The fourth proportional to 8,424.27, 11,619.72 and 4,887.54 is: 6,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.27 : 11,619.72 = 4,887.54 : x
  2. Step 2: Convert to fraction form
    8,424.27/11,619.72 = 4,887.54/x
  3. Step 3: Cross multiply
    8,424.27x = 11,619.72 × 4,887.54
  4. Step 4: Simplify right side
    8,424.27x = 56,791,846.29
  5. Step 5: Solve for x
    x = 56,791,846.29/8,424.27
  6. Step 6: Final answer
    x = 6,741.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.