Home / 8,331.44-12,426.64-7,227.02

Finding the Fourth Proportional to 8,331.44, 12,426.64 and 7,227.02

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Solution

The fourth proportional to 8,331.44, 12,426.64 and 7,227.02 is: 10,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.44 : 12,426.64 = 7,227.02 : x
  2. Step 2: Convert to fraction form
    8,331.44/12,426.64 = 7,227.02/x
  3. Step 3: Cross multiply
    8,331.44x = 12,426.64 × 7,227.02
  4. Step 4: Simplify right side
    8,331.44x = 89,807,575.81
  5. Step 5: Solve for x
    x = 89,807,575.81/8,331.44
  6. Step 6: Final answer
    x = 10,779.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.