Home / 8,887.36-13,333.92-4,270.72

Finding the Fourth Proportional to 8,887.36, 13,333.92 and 4,270.72

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Solution

The fourth proportional to 8,887.36, 13,333.92 and 4,270.72 is: 6,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.36 : 13,333.92 = 4,270.72 : x
  2. Step 2: Convert to fraction form
    8,887.36/13,333.92 = 4,270.72/x
  3. Step 3: Cross multiply
    8,887.36x = 13,333.92 × 4,270.72
  4. Step 4: Simplify right side
    8,887.36x = 56,945,438.82
  5. Step 5: Solve for x
    x = 56,945,438.82/8,887.36
  6. Step 6: Final answer
    x = 6,407.46

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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.