Home / 8,427.74-11,632.62-4,890.26

Finding the Fourth Proportional to 8,427.74, 11,632.62 and 4,890.26

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Solution

The fourth proportional to 8,427.74, 11,632.62 and 4,890.26 is: 6,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.74 : 11,632.62 = 4,890.26 : x
  2. Step 2: Convert to fraction form
    8,427.74/11,632.62 = 4,890.26/x
  3. Step 3: Cross multiply
    8,427.74x = 11,632.62 × 4,890.26
  4. Step 4: Simplify right side
    8,427.74x = 56,886,536.28
  5. Step 5: Solve for x
    x = 56,886,536.28/8,427.74
  6. Step 6: Final answer
    x = 6,749.92

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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.