Home / 8,953.89-13,430.43-3,110.96

Finding the Fourth Proportional to 8,953.89, 13,430.43 and 3,110.96

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Solution

The fourth proportional to 8,953.89, 13,430.43 and 3,110.96 is: 4,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.89 : 13,430.43 = 3,110.96 : x
  2. Step 2: Convert to fraction form
    8,953.89/13,430.43 = 3,110.96/x
  3. Step 3: Cross multiply
    8,953.89x = 13,430.43 × 3,110.96
  4. Step 4: Simplify right side
    8,953.89x = 41,781,463.36
  5. Step 5: Solve for x
    x = 41,781,463.36/8,953.89
  6. Step 6: Final answer
    x = 4,666.29

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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.