Home / 8,878.80-13,313.55-2,637.96

Finding the Fourth Proportional to 8,878.80, 13,313.55 and 2,637.96

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Solution

The fourth proportional to 8,878.80, 13,313.55 and 2,637.96 is: 3,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.80 : 13,313.55 = 2,637.96 : x
  2. Step 2: Convert to fraction form
    8,878.80/13,313.55 = 2,637.96/x
  3. Step 3: Cross multiply
    8,878.80x = 13,313.55 × 2,637.96
  4. Step 4: Simplify right side
    8,878.80x = 35,120,612.36
  5. Step 5: Solve for x
    x = 35,120,612.36/8,878.80
  6. Step 6: Final answer
    x = 3,955.56

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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.