Home / 8,877.96-12,246.93-7,201.26

Finding the Fourth Proportional to 8,877.96, 12,246.93 and 7,201.26

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Solution

The fourth proportional to 8,877.96, 12,246.93 and 7,201.26 is: 9,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.96 : 12,246.93 = 7,201.26 : x
  2. Step 2: Convert to fraction form
    8,877.96/12,246.93 = 7,201.26/x
  3. Step 3: Cross multiply
    8,877.96x = 12,246.93 × 7,201.26
  4. Step 4: Simplify right side
    8,877.96x = 88,193,327.13
  5. Step 5: Solve for x
    x = 88,193,327.13/8,877.96
  6. Step 6: Final answer
    x = 9,933.96

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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.